In Our Time: Philosophy

Melvyn Bragg and guests discuss the idea that some kind of consciousness is present not just in our human brains but throughout the universe, right down to cells or even electrons. This is panpsychism and its proponents argue it offers a compelling alternative to those who say we are nothing but matter, like machines, and to those who say we are both matter and something else we might call soul. It is a third way. Critics argue panpsychism is implausible, an example of how not to approach this problem, yet interest has been growing widely in recent decades partly for the idea itself and partly in the broader context of understanding how consciousness arises.

With

Tim Crane Professor of Philosophy and Pro-Rector at the Central European University Director of Research, FWF Cluster of Excellence, Knowledge in Crisis

Joanna Leidenhag, Associate Professor in Theology and Philosophy at the University of Leeds

And

Philip Goff Professor of Philosophy at Durham University

Producer: Simon Tillotson

Reading list:

Anthony Freeman (ed.), Consciousness and Its Place in Nature: Does Physicalism Entail Panpsychism? (Imprint Academic, 2006), especially 'Realistic Monism' by Galen Strawson

Philip Goff, Galileo's Error: Foundations for A New Science of Consciousness (Pantheon, 2019)

Philip Goff, Why? The Purpose of the Universe (Oxford University Press, 2023)

David Ray Griffin, Unsnarling the World-Knot: Consciousness, Freedom and the Mind-Body Problem (Wipf & Stock, 2008)

Joanna Leidenhag, Minding Creation: Theological Panpsychism and the Doctrine of Creation (Bloomsbury, 2021)

Joanna Leidenhag, ‘Panpsychism and God’ (Philosophy Compass Vol 17, Is 12, e12889)

Hedda Hassel Mørch, Non-physicalist Theories of Consciousness (Cambridge University Press, 2024)

Thomas Nagel, Mortal Questions (Cambridge University Press, 2012), especially the chapter 'Panpsychism'

David Skrbina, Panpsychism in the West (MIT Press, 2007) James van Cleve, 'Mind-Dust or Magic? Panpsychism versus Emergence' (Philosophical Perspectives Vol. 4, Action Theory and Philosophy of Mind, Ridgeview Publishing Company, 1990)

Melvyn Bragg and guests discuss the most influential work of Thorstein Veblen (1857-1929). In 1899, during America’s Gilded Age, Veblen wrote The Theory of the Leisure Class as a reminder that all that glisters is not gold. He picked on traits of the waning landed class of Americans and showed how the new moneyed class was adopting these in ways that led to greater waste throughout society. He called these conspicuous leisure and conspicuous consumption and he developed a critique of a system that favoured profits for owners without regard to social good. The Theory of the Leisure Class was a best seller and funded Veblen for the rest of his life, and his ideas influenced the New Deal of the 1930s. Since then, an item that becomes more desirable as it becomes more expensive is known as a Veblen good.

With

Matthew Watson Professor of Political Economy at the University of Warwick

Bill Waller Professor of Economics at Hobart and William Smith Colleges, New York

And

Mary Wrenn Senior Lecturer in Economics at the University of the West of England

Producer: Simon Tillotson

Reading list:

Charles Camic, Veblen: The Making of an Economist who Unmade Economics (Harvard University Press, 2021)

John P. Diggins, Thorstein Veblen: Theorist of the Leisure Class (Princeton University Press, 1999)

John P. Diggins, The Bard of Savagery: Thorstein Veblen and Modern Social Theory (Seabury Press, 1978)

John Kenneth Galbraith, The Affluent Society (Penguin, 1999) Robert Heilbroner, The Worldly Philosophers: The Lives, Times and Ideas of the Great Economic Thinkers (Penguin, 2000), particularly the chapter ‘The Savage Society of Thorstein Veblen’

Ken McCormick, Veblen in Plain English: A Complete Introduction to Thorstein Veblen’s Economics (Cambria Press, 2006)

Sidney Plotkin and Rick Tilman, The Political Ideas of Thorstein Veblen (Yale University Press, 2012)

Juliet B. Schor, The Overspent American: Why We Want What We Don't Need (William Morrow & Company, 1999)

Juliet B. Schor, Born to Buy: The Commercialized Child and the New Consumer Culture (Simon & Schuster Ltd, 2005)

Thorstein Veblen, The Theory of the Leisure Class (first published 1899; Oxford University Press, 2009)

Thorstein Veblen, The Theory of Business Enterprise (first published 1904; Legare Street Press, 2022)

Thorstein Veblen, The Higher Learning in America (first published 2018; Johns Hopkins University Press, 2015)

Thorstein Veblen, Absentee Ownership and Business Enterprise in Recent Times: The Case of America (first published 1923; Routledge, 2017)

Thorstein Veblen, Conspicuous Consumption (Penguin, 2005)

Thorstein Veblen, The Complete Works (Musaicum Books, 2017)

Charles J. Whalen (ed.), Institutional Economics: Perspective and Methods in Pursuit of a Better World (Routledge, 2021)

In 1956 Oxford University awarded an honorary degree to the former US president Harry S. Truman for his role in ending the Second World War. One philosopher, Elizabeth Anscombe (1919 – 2001), objected strongly.

She argued that although dropping nuclear bombs on Hiroshima and Nagasaki may have ended the fighting, it amounted to the murder of tens of thousands of innocent civilians. It was therefore an irredeemably immoral act. And there was something fundamentally wrong with a moral philosophy that didn’t see that.

This was the starting point for a body of work that changed the terms in which philosophers discussed moral and ethical questions in the second half of the twentieth century.

A leading student of the philosopher Ludwig Wittgenstein, Anscombe combined his insights with rejuvenated interpretations of Aristotle and Thomas Aquinas that made these ancient figures speak to modern issues and concerns. Anscombe was also instrumental in making action, and the question of what it means to intend to do something, a leading area of philosophical work.

With

Rachael Wiseman, Senior Lecturer in Philosophy at the University of Liverpool

Constantine Sandis, Visiting Professor of Philosophy at the University of Hertfordshire, and Director of Lex Academic

Roger Teichmann, Lecturer in Philosophy at St Hilda’s College, University of Oxford

Producer: Luke Mulhall

Melvyn Bragg and guests discuss how, between the 16th and 18th centuries, Europe was dominated by an economic way of thinking called mercantilism. The key idea was that exports should be as high as possible and imports minimised.

For more than 300 years, almost every ruler and political thinker was a mercantilist. Eventually, economists including Adam Smith, in his ground-breaking work of 1776 The Wealth of Nations, declared that mercantilism was a flawed concept and it became discredited. However, a mercantilist economic approach can still be found in modern times and today’s politicians sometimes still use rhetoric related to mercantilism.

With

D’Maris Coffman Professor in Economics and Finance of the Built Environment at University College London Craig Muldrew Professor of Social and Economic History at the University of Cambridge and a Member of Queens’ College

and

Helen Paul, Lecturer in Economics and Economic History at the University of Southampton.

Producer Luke Mulhall

Melvyn Bragg and guests discuss Nicolas de Condorcet (1743-94), known as the Last of the Philosophes, the intellectuals in the French Enlightenment who sought to apply their learning to solving the problems of their world. He became a passionate believer in the progress of society, an advocate for equal rights for women and the abolition of the slave trade and for representative government. The French Revolution gave him a chance to advance those ideas and, while the Terror brought his life to an end, his wife Sophie de Grouchy 91764-1822) ensured his influence into the next century and beyond.

With

Rachel Hammersley Professor of Intellectual History at Newcastle University

Richard Whatmore Professor of Modern History at the University of St Andrews and Co-Director of the St Andrews Institute of Intellectual History

And

Tom Hopkins Senior Teaching Associate in the Department of Politics and International Studies at the University of Cambridge and Fellow of Selwyn College

Producer: Simon Tillotson

Reading list:

Keith Michael Baker, Condorcet: From Natural Philosophy to Social Mathematics (University of Chicago Press, 1974)

Keith Michael Baker, ‘On Condorcet’s Sketch’ (Daedalus, summer 2004)

Lorraine Daston, ‘Condorcet and the Meaning of Enlightenment’ (Proceedings of the British Academy, 2009)

Dan Edelstein, The Enlightenment: A Genealogy (Chicago University Press, 2010)

Mark Goldie and Robert Wokler (eds), The Cambridge History of Eighteenth-Century Political Thought (Cambridge University Press, 2006), especially ‘Ideology and the Origins of Social Science’ by Robert Wokler

Gary Kates, The Cercle Social, the Girondins, and the French Revolution (Princeton University Press, 1985)

Steven Lukes and Nadia Urbinati (eds.), Condorcet: Political Writings (Cambridge University Press, 2009)

Kathleen McCrudden Illert, A Republic of Sympathy: Sophie de Grouchy's Politics and Philosophy, 1785-1815 (Cambridge University Press, 2024)

Iain McLean and Fiona Hewitt (eds.), Condorcet: Foundations of Social Choice and Political Theory (Edward Elgar Publishing Ltd, 1994)

Emma Rothschild, Economic Sentiments: Adam Smith, Condorcet and the Enlightenment, (Harvard University Press, 2001)

Richard Whatmore, The End of Enlightenment (Allen Lane, 2023)

David Williams, Condorcet and Modernity (Cambridge University Press, 2004)

Melvyn Bragg and guests discuss Aristotle's ideas on what happiness means and how to live a good life. Aristotle (384-322BC) explored these almost two and a half thousand years ago in what became known as his Nicomachean Ethics. His audience then were the elite in Athens as, he argued, if they knew how to live their lives well then they could better rule the lives of others. While circumstances and values have changed across the centuries, Aristotle's approach to answering those questions has fascinated philosophers ever since and continues to do so.

With

Angie Hobbs Professor of the Public Understanding of Philosophy at the University of Sheffield

Roger Crisp Director of the Oxford Uehiro Centre for Practical Ethics, Professor of Moral Philosophy and Tutor in Philosophy at St Anne’s College, University of Oxford

And

Sophia Connell Senior Lecturer in Philosophy at Birkbeck, University of London

Producer: Simon Tillotson

Reading list:

J.L. Ackrill, Aristotle the Philosopher (Oxford University Press, 1981)

Aristotle (ed. and trans. Roger Crisp), Nicomachean Ethics (Cambridge University Press, 2000)

Aristotle (trans. Terence Irwin), Nicomachean Ethics (Hackett Publishing Co., 2019) Aristotle (trans. H. Rackham), Nicomachean Ethics: Loeb Classical Library (William Heinemann Ltd, 1962)

Jonathan Barnes, Aristotle: Past Masters series (Oxford University Press, 1982)

Gerard J. Hughes, Routledge Guidebook to Aristotle’s Nicomachean Ethics (Routledge, 2013)

Richard Kraut (ed.), The Blackwell Guide to Aristotle's Nicomachean Ethics (Wiley-Blackwell, 2005)

Michael Pakaluk, Aristotle's Nicomachean Ethics: An Introduction (Cambridge University Press, 2005)

A. Rorty (ed.), Essays on Aristotle's Ethics (University of California Press, 1981)

Nancy Sherman, The Fabric of Character: Aristotle's Theory of Virtue (Clarendon Press, 1989)

J.O. Urmson, Aristotle’s Ethics (John Wiley & Sons, 1988)

Melvyn Bragg and guests discuss Solon, who was elected archon or chief magistrate of Athens in 594 BC: some see him as the father of Athenian democracy.

In the first years of the 6th century BC, the city state of Athens was in crisis. The lower orders of society were ravaged by debt, to the point where some were being forced into slavery. An oppressive law code mandated the death penalty for everything from murder to petty theft. There was a real danger that the city could fall into either tyranny or civil war.

Solon instituted a programme of reforms that transformed Athens’ political and legal systems, its society and economy, so that later generations referred to him as Solon the Lawgiver.

With

Melissa Lane Class of 1943 Professor of Politics at Princeton University

Hans van Wees Grote Professor of Ancient History at University College London

and William Allan Professor of Greek and McConnell Laing Tutorial Fellow in Greek and Latin Languages and Literature at University College, University of Oxford

Producer Luke Mulhall

Melvyn Bragg and guests discuss the pioneering Danish astronomer Tycho Brahe (1546 – 1601) whose charts offered an unprecedented level of accuracy.

In 1572 Brahe's observations of a new star challenged the idea, inherited from Aristotle, that the heavens were unchanging. He went on to create his own observatory complex on the Danish island of Hven, and there, working before the invention of the telescope, he developed innovative instruments and gathered a team of assistants, taking a highly systematic approach to observation. A second, smaller source of renown was his metal prosthetic nose, which he needed after a serious injury sustained in a duel.

The image above shows Brahe aged 40, from the Atlas Major by Johann Blaeu.

With

Ole Grell Emeritus Professor in Early Modern History at the Open University

Adam Mosley Associate Professor of History at Swansea University

and

Emma Perkins Affiliate Scholar in the Department of History and Philosophy of Science at the University of Cambridge.

Melvyn Bragg and guests discuss A Theory of Justice by John Rawls (1921 - 2002) which has been called the most influential book in twentieth century political philosophy. It was first published in 1971. Rawls (pictured above) drew on his own experience in WW2 and saw the chance in its aftermath to build a new society, one founded on personal liberty and fair equality of opportunity. While in that just society there could be inequalities, Rawls’ radical idea was that those inequalities must be to the greatest advantage not to the richest but to the worst off.

With

Fabienne Peter Professor of Philosophy at the University of Warwick

Martin O’Neill Professor of Political Philosophy at the University of York

And

Jonathan Wolff The Alfred Landecker Professor of Values and Public Policy at the Blavatnik School of Government, University of Oxford and Fellow of Wolfson College

Producer: Simon Tillotson

Melvyn Bragg and guests discuss Plato's account of the once great island of Atlantis out to the west, beyond the world known to his fellow Athenians, and why it disappeared many thousands of years before his time. There are no sources for this story other than Plato, and he tells it across two of his works, the Timaeus and the Critias, tantalizing his readers with evidence that it is true and clues that it is a fantasy. Atlantis, for Plato, is a way to explore what an ideal republic really is, and whether Athens could be (or ever was) one; to European travellers in the Renaissance, though, his story reflected their own encounters with distant lands, previously unknown to them, spurring generations of explorers to scour the oceans and in the hope of finding a lost world.

The image above is from an engraving of the legendary island of Atlantis after a description by Athanasius Kircher (1602-1680).

With

Edith Hall Professor of Classics at Durham University

Christopher Gill Emeritus Professor of Ancient Thought at the University of Exeter

And

Angie Hobbs Professor of the Public Understanding of Philosophy at the University of Sheffield

Producer: Simon Tillotson

Melvyn Bragg and guests discuss ideas of Georg Wilhelm Friedrich Hegel (1770 - 1831) on history. Hegel, one of the most influential of the modern philosophers, described history as the progress in the consciousness of freedom, asking whether we enjoy more freedom now than those who came before us. To explore this, he looked into the past to identify periods when freedom was moving from the one to the few to the all, arguing that once we understand the true nature of freedom we reach an endpoint in understanding. That end of history, as it's known, describes an understanding of freedom so far progressed, so profound, that it cannot be extended or deepened even if it can be lost.

With

Sally Sedgwick Professor and Chair of Philosophy at Boston University

Robert Stern Professor of Philosophy at the University of Sheffield

And

Stephen Houlgate Professor of Philosophy at the University of Warwick

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the Czech educator Jan Amos Komenský (1592-1670) known throughout Europe in his lifetime under the Latin version of his name, Comenius. A Protestant and member of the Unity of Brethren, he lived much of his life in exile, expelled from his homeland under the Catholic Counter-Reformation, and he wanted to address the deep antagonisms underlying the wars that were devastating Europe especially The Thirty Years War (1618-1648). A major part of his plan was Universal Education, in which everyone could learn about everything, and better understand each other and so tolerate their religious differences and live side by side. His ideas were to have a lasting influence on education, even though the peace that followed the Thirty Years War only entrenched the changes in his homeland that made his life there impossible.

The image above is from a portrait of Comenius by Jürgen Ovens, 1650 - 1670, painted while he was living in Amsterdam and held in the Rikjsmuseum

With

Vladimir Urbanek Senior Researcher in the Department of Comenius Studies and Early Modern Intellectual History at the Institute of Philosophy of the Czech Academy of Sciences

Suzanna Ivanic Lecturer in Early Modern European History at the University of Kent

And

Howard Hotson Professor of Early Modern Intellectual History at the University of Oxford and Fellow of St Anne’s College

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the idea of charismatic authority developed by Max Weber (1864-1920) to explain why people welcome some as their legitimate rulers and follow them loyally, for better or worse, while following others only dutifully or grudgingly. Weber was fascinated by those such as Napoleon (above) and Washington who achieved power not by right, as with traditional monarchs, or by law as with the bureaucratic world around him in Germany, but by revolution or insurrection. Drawing on the experience of religious figures, he contended that these leaders, often outsiders, needed to be seen as exceptional, heroic and even miraculous to command loyalty, and could stay in power for as long as the people were enthralled and the miracles they had promised kept coming. After the Second World War, Weber's idea attracted new attention as a way of understanding why some reviled leaders once had mass support and, with the arrival of television, why some politicians were more engaging and influential on screen than others.

With

Linda Woodhead The FD Maurice Professor and Head of the Department of Theology and Religious Studies at King's College London

David Bell The Lapidus Professor in the Department of History at Princeton University

And

Tom Wright Reader in Rhetoric at the University of Sussex

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the ancient Sanskrit text the Arthashastra, regarded as one of the major works of Indian literature. Written in the style of a scientific treatise, it provides rulers with a guide on how to govern their territory and sets out what the structure, economic policy and foreign affairs of the ideal state should be. According to legend, it was written by Chanakya, a political advisor to the ruler Chandragupta Maurya (reigned 321 – 297 BC) who founded the Mauryan Empire, the first great Empire in the Indian subcontinent. As the Arthashastra asserts that a ruler should pursue his goals ruthlessly by whatever means is required, it has been compared with the 16th-century work The Prince by Machiavelli. Today, it is widely viewed as presenting a sophisticated and refined analysis of the nature, dynamics and challenges of rulership, and scholars value it partly because it undermines colonial stereotypes of what early South Asian society was like.

With

Jessica Frazier Lecturer in the Study of Religion at the University of Oxford and a Fellow of the Oxford Centre for Hindu Studies

James Hegarty Professor of Sanskrit and Indian Religions at Cardiff University

And

Deven Patel Associate Professor of South Asia Studies at the University of Pennsylvania

Producer: Simon Tillotson

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Melvyn Bragg and guests discuss one of the most celebrated thinkers of the twentieth century. Walter Benjamin (1892-1940) was a German Jewish philosopher, critic, historian, an investigator of culture, a maker of radio programmes and more. Notably, in his Arcades Project, he looked into the past of Paris to understand the modern age and, in The Work of Art in the Age of Mechanical Reproduction, examined how the new media of film and photography enabled art to be politicised, and politics to become a form of art. The rise of the Nazis in Germany forced him into exile, and he worked in Paris in dread of what was to come; when his escape from France in 1940 was blocked at the Spanish border, he took his own life.

With

Esther Leslie Professor of Political Aesthetics at Birkbeck, University of London

Kevin McLaughlin Dean of the Faculty and Professor of English, Comparative Literature and German Studies at Brown University

And

Carolin Duttlinger Professor of German Literature and Culture at the University of Oxford

Producer: Simon Tillotson

Melvyn Bragg and guests discuss one of Plato's most striking dialogues, in which he addresses the real nature of power and freedom, and the relationship between pleasure and true self-interest. As he tests these ideas, Plato creates powerful speeches, notably from Callicles who claims that laws of nature trump man-made laws, that might is right, and that rules are made by weak people to constrain the strong in defiance of what is natural and proper. Gorgias is arguably the most personal of all of Plato's dialogues, with its hints of a simmering fury at the system in Athens that put his mentor Socrates to death, and where rhetoric held too much sway over people.

With

Angie Hobbs Professor of the Public Understanding of Philosophy at the University of Sheffield

Frisbee Sheffield University Lecturer in Classics and Fellow of Downing College, University of Cambridge

And

Fiona Leigh Associate Professor in the Department of Philosophy at University College London

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the author and philosopher Iris Murdoch (1919 - 1999). In her lifetime she was most celebrated for her novels such as The Bell and The Black Prince, but these are now sharing the spotlight with her philosophy. Responding to the horrors of the Second World War, she argued that morality was not subjective or a matter of taste, as many of her contemporaries held, but was objective, and good was a fact we could recognize. To tell good from bad, though, we would need to see the world as it really is, not as we want to see it, and her novels are full of characters who are not yet enlightened enough to do that.

With

Anil Gomes Fellow and Tutor in Philosophy at Trinity College, University of Oxford

Anne Rowe Visiting Professor at the University of Chichester and Emeritus Research Fellow with the Iris Murdoch Archive Project at Kingston University

And

Miles Leeson Director of the Iris Murdoch Research Centre and Reader in English Literature at the University of Chichester

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the insight into our relationship with the world that Immanuel Kant (1724-1804) shared in his book The Critique of Pure Reason in 1781. It was as revolutionary, in his view, as when the Polish astronomer Copernicus realised that Earth revolves around the Sun rather than the Sun around Earth. Kant's was an insight into how we understand the world around us, arguing that we can never know the world as it is, but only through the structures of our minds which shape that understanding. This idea, that the world depends on us even though we do not create it, has been one of Kant’s greatest contributions to philosophy and influences debates to this day.

The image above is a portrait of Immanuel Kant by Friedrich Wilhelm Springer

With

Fiona Hughes Senior Lecturer in Philosophy at the University of Essex

Anil Gomes Associate Professor and Fellow and Tutor in Philosophy at Trinity College, Oxford

And

John Callanan Senior Lecturer in Philosophy at King’s College London

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the man who, according to Machiavelli, was the last of the Five Good Emperors. Marcus Aurelius, 121 to 180 AD, has long been known as a model of the philosopher king, a Stoic who, while on military campaigns, compiled ideas on how best to live his life, and how best to rule. These ideas became known as his Meditations, and they have been treasured by many as an insight into the mind of a Roman emperor, and an example of how to avoid the corruption of power in turbulent times.

The image above shows part of a bronze equestrian statue of Marcus Aurelius.

With

Simon Goldhill Professor of Greek Literature and Culture and Fellow of King’s College, Cambridge

Angie Hobbs Professor of the Public Understanding of Philosophy at the University of Sheffield

And

Catharine Edwards Professor of Classics and Ancient History at Birkbeck, University of London

Producer: Simon Tillotson

The philosopher Mary Astell (1666 – 1731) has been described as “the first English feminist”. Born in Newcastle in relatively poor circumstances in the aftermath of the upheaval of the English Civil War and the restoration of the monarchy, she moved to London as a young woman and became part of an extraordinary circle of intellectual and aristocratic women. In her pioneering publications, she argued that women’s education should be expanded, that men and women’s minds were the same and that no woman should be forced to marry against her will. Perhaps her most famous quotation is: “If all Men are born Free, why are all Women born Slaves?” Today, she is one of just a handful of female philosophers to be featured in the multi-volume Cambridge History of Political Thought.

The image above is from Astell's "Reflections upon Marriage", 3rd edition, 1706, held by the British Library (Shelfmark 8415.bb.27)

With:

Hannah Dawson Senior Lecturer in the History of Ideas at King’s College London

Mark Goldie Professor Emeritus of Intellectual History at the University of Cambridge

Teresa Bejan Associate Professor of Political Theory at Oriel College, University of Oxford

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the idea that God created the universe and then left it for humans to understand by reason not revelation. Edward Herbert, 1583-1648 (pictured above) held that there were five religious truths: belief in a Supreme Being, the need to worship him, the pursuit of a virtuous life as the best form of worship, repentance, and reward or punishment after death. Others developed these ideas in different ways, yet their opponents in England's established Church collected them under the label of Deists, called Herbert the Father of Deism and attacked them as a movement, and Deist books were burned. Over time, reason and revelation found a new balance in the Church in England, while Voltaire and Thomas Paine explored the ideas further, leading to their re-emergence in the French and American Revolutions.

With

Richard Serjeantson Fellow and Lecturer in History at Trinity College, Cambridge

Katie East Lecturer in History at Newcastle University

And

Thomas Ahnert Professor of Intellectual History at the University of Edinburgh

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the ideas of Jean-Jacques Rousseau (1712-1778) on the education of children, as set out in his novel or treatise Emile, published in 1762. He held that children are born with natural goodness, which he sought to protect as they developed, allowing each to form their own conclusions from experience, avoiding the domineering influence of others. In particular, he was keen to stop infants forming the view that human relations were based on domination and subordination. Rousseau viewed Emile as his most imporant work, and it became very influential. It was also banned and burned, and Rousseau was attacked for not following these principles with his own children, who he abandoned, and for proposing a subordinate role for women in this scheme.

The image above is of Emile playing with a mask on his mother's lap, from a Milanese edition published in 1805.

With

Richard Whatmore Professor of Modern History at the University of St Andrews and Co-Director of the St Andrews Institute of Intellectual History

Caroline Warman Professor of French Literature and Thought at Jesus College, Oxford

and

Denis McManus Professor of Philosophy at the University of Southampton

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the French philosopher Henri Bergson (1859-1941) and his ideas about human experience of time passing and how that differs from a scientific measurement of time, set out in his thesis on 'Time and Free Will' in 1889. He became famous in France and abroad for decades, rivalled only by Einstein and, in the years after the Dreyfus Affair, was the first ever Jewish member of the Académie Française. It's thought his work influenced Proust and Woolf, and the Cubists. He died in 1941 from a cold which, reputedly, he caught while queuing to register as a Jew, refusing the Vichy government's offer of exemption.

With

Keith Ansell-Pearson Professor of Philosophy at the University of Warwick

Emily Thomas Assistant Professor in Philosophy at Durham University

And

Mark Sinclair Reader in Philosophy at the University of Roehampton

Producer: Simon Tillotson

Melvyn Bragg and guests discuss what it means to be oneself, a question explored by philosophers from Aristotle to the present day, including St Augustine, Kierkegaard, Heidegger and Sartre. In Hamlet, Polonius said 'To thine own self be true', but what is the self, and what does it mean to be true to it, and why should you be true? To Polonius, if you are true to yourself, ‘thou canst not be false to any man’ - but with the rise of the individual, authenticity became a goal in itself, regardless of how that affected others. Is authenticity about creating yourself throughout your life, or fulfilling the potential with which you were born, connecting with your inner child, or something else entirely? What are the risks to society if people value authenticity more than morality - that is, if the two are incompatible?

The image above is of Sartre, aged 8 months, perhaps still connected to his inner child.

With

Sarah Richmond Associate Professor in Philosophy at University College London

Denis McManus Professor of Philosophy at the University of Southampton

and

Irene McMullin Senior Lecturer in Philosophy at the University of Essex

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the remarkable achievement of Aristotle (384-322BC) in the realm of biological investigation, for which he has been called the originator of the scientific study of life. Known mainly as a philosopher and the tutor for Alexander the Great, who reportedly sent him animal specimens from his conquests, Aristotle examined a wide range of life forms while by the Sea of Marmara and then on the island of Lesbos. Some ideas, such as the the spontaneous generation of flies, did not survive later scrutiny, yet his influence was extraordinary and his work was unequalled until the early modern period.

The image above is of the egg and embryo of a dogfish, one of the animals Aristotle described accurately as he recorded their development.

With

Armand Leroi Professor of Evolutionary Development Biology at Imperial College London

Myrto Hatzimichali Lecturer in Classics at the University of Cambridge

And

Sophia Connell Lecturer in Philosophy at Birkbeck, University of London

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the philosophy of hope. To the ancient Greeks, hope was closer to self-deception, one of the evils left in Pandora's box or jar, in Hesiod's story. In Christian tradition, hope became one of the theological virtues, the desire for divine union and the expectation of receiving it, an action of the will rather than the intellect. To Kant, 'what may I hope' was one of the three basic questions which human reason asks, while Nietzsche echoed Hesiod, arguing that leaving hope in the box was a deception by the gods, reflecting human inability to face the demands of existence. Yet even those critical of hope, like Camus, conceded that life was nearly impossible without it.

With

Beatrice Han-Pile Professor of Philosophy at the University of Essex

Robert Stern Professor of Philosophy at the University of Sheffield

And

Judith Wolfe Professor of Philosophical Theology at the University of St Andrews

Producer: Simon Tillotson

Melvyn Bragg and guests discuss Bernard Mandeville (1670-1733) and his critique of the economy as he found it in London, where private vices were condemned without acknowledging their public benefit. In his poem The Grumbling Hive (1705), he presented an allegory in which the economy collapsed once knavish bees turned honest. When republished with a commentary, The Fable of the Bees was seen as a scandalous attack on Christian values and Mandeville was recommended for prosecution for his tendency to corrupt all morals. He kept writing, and his ideas went on to influence David Hume and Adam Smith, as well as Keynes and Hayek.

With

David Wootton Anniversary Professor of History at the University of York

Helen Paul Lecturer in Economics and Economic History at the University of Southampton

And

John Callanan Senior Lecturer in Philosophy at King’s College London

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the ideas of Charles-Louis de Secondat, Baron de La Brède et de Montesquieu (1689-1755) whose works on liberty, monarchism, despotism, republicanism and the separation of powers were devoured by intellectuals across Europe and New England in the eighteenth century, transforming political philosophy and influencing the American Constitution. He argued that an individual's liberty needed protection from the arm of power, checking that by another power; where judicial, executive and legislative power were concentrated in the hands of one figure, there could be no personal liberty.

With

Richard Bourke Professor in the History of Political Thought at Queen Mary, University of London

Rachel Hammersley Senior Lecturer in Intellectual History at Newcastle University

And

Richard Whatmore Professor of Modern History at the University of St Andrews and Director of the St Andrews Institute of Intellectual History

Producer: Simon Tillotson.

Melvyn Bragg and guests discuss Alexis de Tocqueville (1805-1859) and his examination of the American democratic system. He wrote De La Démocratie en Amérique in two parts, published in 1835 and 1840, when France was ruled by the July Monarchy of Louis-Philippe. Tocqueville was interested in how aspects of American democracy, in the age of President Andrew Jackson, could be applied to Europe as it moved away from rule by monarchs and aristocrats. His work has been revisited by politicians ever since, particularly in America, with its analysis of the strengths and weaknesses of direct democracy and its warnings of mediocrity and the tyranny of the majority.

With

Robert Gildea Professor of Modern History at the University of Oxford

Susan-Mary Grant Professor of American History at Newcastle University

and

Jeremy Jennings Professor of Political Theory and Head of the School of Politics & Economics at King's College London

Producer: Simon Tillotson.

Melvyn Bragg and guests discuss St Augustine of Hippo's account of his conversion to Christianity and his life up to that point. Written c397AD, it has many elements of autobiography with his scrutiny of his earlier life, his long relationship with a concubine, his theft of pears as a child, his work as an orator and his embrace of other philosophies and Manichaeism. Significantly for the development of Christianity, he explores the idea of original sin in the context of his own experience. The work is often seen as an argument for his Roman Catholicism, a less powerful force where he was living in North Africa where another form of Christianity was dominant, Donatism. While Augustine retells many episodes from his own life, the greater strength of his Confessions has come to be seen as his examination of his own emotional development, and the growth of his soul.

With

Kate Cooper Professor of History at the University of London and Head of History at Royal Holloway

Morwenna Ludlow Professor of Christian History and Theology at the University of Exeter

and

Martin Palmer Visiting Professor in Religion, History and Nature at the University of Winchester

Producer: Simon Tillotson.

Melvyn Bragg and guests discuss the ideas attributed to Sun Tzu (544-496BC, according to tradition), a legendary figure from the beginning of the Iron Age in China, around the time of Confucius. He may have been the historical figure Sun Wu, a military adviser at the court of King Helu of Wu (who reigned between about 514 and 496 BC), one of the kings in power in the Warring States period of Chinese history (6th - 5th century BC). Sun Tzu was credited as the author of The Art of War, a work on military strategy that soon became influential in China and then Japan both for its guidance on conducting and avoiding war and for its approach to strategy generally. After The Art of War was translated into European languages in C18th, its influence spread to military academies around the world.

The image above is of a terracotta warrior from the tomb of Qin Shi Huang, the first Emperor, who unified China after the Warring States period.

With

Hilde De Weerdt Professor of Chinese History at Leiden University

Tim Barrett Professor Emeritus of East Asian History at SOAS, University of London

And

Imre Galambos Reader in Chinese Studies at the University of Cambridge

Producer: Simon Tillotson.

Melvyn Bragg and guests discuss the ideas developed by Marcus Tullius Cicero (106-43BC) to support and reinvigorate the Roman Republic when, as it transpired, it was in its final years, threatened by civil wars, the rule of Julius Caesar and the triumvirates that followed. As Consul he had suppressed a revolt by Catiline, putting the conspirators to death summarily as he believed the Republic was in danger and that this danger trumped the right to a fair trial, a decision that rebounded on him. While in exile he began works on duty, laws, the orator and the republic. Although left out of the conspiracy to kill Caesar, he later defended that murder in the interests of the Republic, only to be murdered himself soon after.

With

Melissa Lane The Class of 1943 Professor of Politics at Princeton University and 2018 Carlyle Lecturer at the University of Oxford

Catherine Steel Professor of Classics at the University of Glasgow

And

Valentina Arena Reader in Roman History at University College London

Producer: Simon Tillotson.

Melvyn Bragg and guests discuss how, in the Enlightenment, Immanuel Kant (1724-1804) sought to define the difference between right and wrong by applying reason, looking at the intention behind actions rather than at consequences. He was inspired to find moral laws by natural philosophers such as Newton and Leibniz, who had used reason rather than emotion to analyse the world around them and had identified laws of nature. Kant argued that when someone was doing the right thing, that person was doing what was the universal law for everyone, a formulation that has been influential on moral philosophy ever since and is known as the Categorical Imperative. Arguably even more influential was one of his reformulations, echoed in The Universal Declaration of Human Rights, in which he asserted that humanity has a value of an entirely different kind from that placed on commodities. Kant argued that simply existing as a human being was valuable in itself, so that every human owed moral responsibilities to other humans and was owed responsibilities in turn.

With

Alison Hills Professor of Philosophy at St John's College, Oxford

David Oderberg Professor of Philosophy at the University of Reading

and

John Callanan Senior Lecturer in Philosophy at King's College, London

Producer: Simon Tillotson.

Is it always better to be just than unjust? That is the central question of Plato's Republic, discussed here by Melvyn Bragg and guests. Writing in c380BC, Plato applied this question both to the individual and the city-state, considering earlier and current forms of government in Athens and potential forms, in which the ideal city might be ruled by philosophers. The Republic is arguably Plato's best known and greatest work, a dialogue between Socrates and his companions, featuring the allegory of the cave and ideas about immortality of the soul, the value of poetry to society, and democracy's vulnerability to a clever demagogue seeking tyranny.

With

Angie Hobbs Professor of the Public Understanding of Philosophy at the University of Sheffield

MM McCabe Professor of Ancient Philosophy Emerita at King's College London

and

James Warren Fellow of Corpus Christi College and a Reader in Ancient Philosophy at the University of Cambridge

Producer: Simon Tillotson.

The 13th-century English philosopher Roger Bacon is perhaps best known for his major work the Opus Maius. Commissioned by Pope Clement IV, this extensive text covered a multitude of topics from mathematics and optics to religion and moral philosophy. He is also regarded by some as an early pioneer of the modern scientific method. Bacon's erudition was so highly regarded that he came to be known as 'Doctor Mirabilis' or 'wonderful doctor'. However, he is a man shrouded in mystery. Little is known about much of his life and he became the subject of a number of strange legends, including one in which he allegedly constructed a mechanical brazen head that would predict the future.

With:

Jack Cunningham Academic Coordinator for Theology at Bishop Grosseteste University, Lincoln

Amanda Power Associate Professor of Medieval History at the University of Oxford

Elly Truitt Associate Professor of Medieval History at Bryn Mawr College

Producer: Victoria Brignell.

Melvyn Bragg and guests discuss Seneca the Younger, who was one of the first great writers to live his entire life in the world of the new Roman empire, after the fall of the Republic. He was a Stoic philosopher, he wrote blood-soaked tragedies, he was an orator, and he navigated his way through the reigns of Caligula, Claudius and Nero, sometimes exercising power at the highest level and at others spending years in exile. Agrippina the Younger was the one who called for him to tutor Nero, and it is thought Seneca helped curb some of Nero's excesses. He was later revered within the Christian church, partly for what he did and partly for what he was said to have done in forged letters to St Paul. His tragedies, with their ghosts and high body count, influenced Shakespeare's Titus Andronicus and Hamlet, and Kyd's Spanish Tragedy. The image above is the so-called bust of Seneca, a detail from Four Philosophers by Peter Paul Rubens.

With

Mary Beard Professor of Classics at the University of Cambridge

Catharine Edwards Professor of Classics and Ancient History at Birkbeck, University of London

and

Alessandro Schiesaro Professor of Classics at the University of Manchester

Producer: Simon Tillotson.

In a programme first broadcast in 2017, Melvyn Bragg and guests discuss the political philosophy of Hannah Arendt. She developed many of her ideas in response to the rise of totalitarianism in the C20th, partly informed by her own experience as a Jew in Nazi Germany before her escape to France and then America. She wanted to understand how politics had taken such a disastrous turn and, drawing on ideas of Greek philosophers as well as her peers, what might be done to create a better political life. Often unsettling, she wrote of 'the banality of evil' when covering the trial of Eichmann, one of the organisers of the Holocaust.

With

Lyndsey Stonebridge Professor of Modern Literature and History at the University of East Anglia

Frisbee Sheffield Lecturer in Philosophy at Girton College, University of Cambridge

and

Robert Eaglestone Professor of Contemporary Literature and Thought at Royal Holloway, University London

Producer: Simon Tillotson.

Melvyn Bragg and guests discuss Nietzsche's On The Genealogy of Morality - A Polemic, which he published in 1887 towards the end of his working life and in which he considered the price humans have paid, and were still paying, to become civilised. In three essays, he argued that having a guilty conscience was the price of living in society with other humans. He suggested that Christian morality, with its consideration for others, grew as an act of revenge by the weak against their masters, 'the blond beasts of prey', as he calls them, and the price for that slaves' revolt was endless self-loathing. These and other ideas were picked up by later thinkers, perhaps most significantly by Sigmund Freud who further explored the tensions between civilisation and the individual.

With

Stephen Mulhall Professor of Philosophy and a Fellow and Tutor at New College, University of Oxford

Fiona Hughes Senior Lecturer in Philosophy at the University of Essex

And

Keith Ansell-Pearson Professor of Philosophy at the University of Warwick

Producer: Simon Tillotson.

In a programme first broadcast in 2016, Melvyn Bragg and guests discuss Zeno of Elea, a pre-Socratic philosopher from c490-430 BC whose paradoxes were described by Bertrand Russell as "immeasurably subtle and profound." The best known argue against motion, such as that of an arrow in flight which is at a series of different points but moving at none of them, or that of Achilles who, despite being the faster runner, will never catch up with a tortoise with a head start. Aristotle and Aquinas engaged with these, as did Russell, yet it is still debatable whether Zeno's Paradoxes have been resolved.

With

Marcus du Sautoy Professor of Mathematics and Simonyi Professor for the Public Understanding of Science at the University of Oxford

Barbara Sattler Lecturer in Philosophy at the University of St Andrews

and

James Warren Reader in Ancient Philosophy at the University of Cambridge

Producer: Simon Tillotson

Melvyn Bragg and guests discuss the history of the idea of Sovereignty, the authority of a state to govern itself and the relationship between the sovereign and the people. These ideas of external and internal sovereignty were imagined in various ways in ancient Greece and Rome, and given a name in 16th Century France by the philosopher and jurist Jean Bodin in his Six Books of the Commonwealth, where he said (in an early English translation) 'Maiestie or Soveraigntie is the most high, absolute, and perpetuall power over the citisens and subiects in a Commonweale: which the Latins cal Maiestatem, the Greeks akra exousia, kurion arche, and kurion politeuma; the Italians Segnoria, and the Hebrewes tomech shévet, that is to say, The greatest power to command.' Shakespeare also explored the concept through Richard II and the king's two bodies, Hobbes developed it in the 17th Century, and the idea of popular sovereignty was tested in the Revolutionary era in America and France.

With

Melissa Lane Class of 1943 Professor of Politics at Princeton University

Richard Bourke Professor in the History of Political Thought at Queen Mary University of London

and

Tim Stanton Senior Lecturer in the Department of Politics at the University of York

Producer: Simon Tillotson.

Melvyn Bragg and guests discuss the Muses and their role in Greek mythology, when they were goddesses of poetry, song, music and dance: what the Greeks called mousike, 'the art of the Muses' from which we derive our word 'music.' While the number of Muses, their origin and their roles varied in different accounts and at different times, they were consistently linked with the nature of artistic inspiration. This raised a question for philosophers then and since: was a creative person an empty vessel into which the Muses poured their gifts, at their will, or could that person do something to make inspiration flow?

With

Paul Cartledge Emeritus Professor of Greek Culture and AG Leventis Senior Research Fellow at Clare College, University of Cambridge

Angie Hobbs Professor of the Public Understanding of Philosophy, University of Sheffield

And

Penelope Murray Founder member and retired Senior Lecturer, Department of Classics, University of Warwick

Producer: Simon Tillotson

Image: 'Apollo and the Muses (Parnassus)', 1631-1632. Oil on canvas. Nicolas Poussin (1594-1665).

Melvyn Bragg and guests discuss Simone de Beauvoir. "One is not born, but rather becomes, a woman," she wrote in her best known and most influential work, The Second Sex, her exploration of what it means to be a woman in a world defined by men. Published in 1949, it was an immediate success with the thousands of women who bought it. Many male critics felt men came out of it rather badly. Beauvoir was born in 1908 to a high bourgeois family and it was perhaps her good fortune that her father lost his money when she was a girl. With no dowry, she pursued her education in Paris to get work and in a key exam to allow her to teach philosophy, came second only to Jean Paul Sartre. He was retaking. They became lovers and, for the rest of their lives together, intellectual sparring partners. Sartre concentrated on existentialist philosophy; Beauvoir explored that, and existentialist ethics, plus the novel and, increasingly in the decades up to her death in 1986, the situation of women in the world.

With Christina Howells Professor of French and Fellow of Wadham College at the University of Oxford

Margaret Atack Professor of French at the University of Leeds

And

Ursula Tidd Professor of Modern French Literature and Thought at the University of Manchester

Producer: Simon Tillotson.

A moral theory that emphasises ends over means, Utilitarianism holds that a good act is one that increases pleasure in the world and decreases pain. The tradition flourished in the eighteenth and nineteenth centuries with Jeremy Bentham and John Stuart Mill, and has antecedents in ancient philosophy. According to Bentham, happiness is the means for assessing the utility of an act, declaring "it is the greatest happiness of the greatest number that is the measure of right and wrong." Mill and others went on to refine and challenge Bentham's views and to defend them from critics such as Thomas Carlyle, who termed Utilitarianism a "doctrine worthy only of swine."

With

Melissa Lane The Class of 1943 Professor of Politics at Princeton University

Janet Radcliffe Richards Professor of Practical Philosophy at the University of Oxford

and

Brad Hooker A Professor of Philosophy at the University of Reading

Producer: Simon Tillotson.

Melvyn Bragg and his guests discuss the life and work of Al-Ghazali, a major philosopher and theologian of the late 11th century. Born in Persia, he was one of the most prominent intellectuals of his age, working in such centres of learning as Baghdad, Damascus and Jerusalem. He is now seen as a key figure in the development of Islamic thought, not just refining the theology of Islam but also building on the existing philosophical tradition inherited from the ancient Greeks.

With:

Peter Adamson Professor of Late Ancient and Arabic Philosophy at the LMU in Munich

Carole Hillenbrand Professor of Islamic History at Edinburgh and St Andrews Universities

Robert Gleave Professor of Arabic Studies at the University of Exeter

Producer: Victoria Brignell.

Melvyn Bragg and his guests discuss Adam Smith's celebrated economic treatise The Wealth of Nations. Smith was one of Scotland's greatest thinkers, a moral philosopher and pioneer of economic theory whose 1776 masterpiece has come to define classical economics. Based on his careful consideration of the transformation wrought on the British economy by the Industrial Revolution, and how it contrasted with marketplaces elsewhere in the world, the book outlined a theory of wealth and how it is accumulated that has arguably had more influence on economic theory than any other.

With:

Richard Whatmore Professor of Modern History and Director of the Institute of Intellectual History at the University of St Andrews

Donald Winch Emeritus Professor of Intellectual History at the University of Sussex

Helen Paul Lecturer in Economics and Economic History at the University of Southampton

Producer: Thomas Morris.

Melvyn Bragg and guests discuss phenomenology, a style of philosophy developed by the German thinker Edmund Husserl in the first decades of the 20th century. Husserl's initial insights underwent a radical transformation in the work of his student Martin Heidegger, and played a key role in the development of French philosophy at the hands of writers like Emmanuel Levinas, Jean-Paul Sartre, Simone de Beauvoir and Maurice Merleau-Ponty.

Phenomenology has been a remarkably adaptable approach to philosophy. It has given its proponents a platform to expose and critique the basic assumptions of past philosophy, and to talk about everything from the foundations of geometry to the difference between fear and anxiety. It has also been instrumental in getting philosophy out of the seminar room and making it relevant to the lives people actually lead.

GUESTS

Simon Glendinning, Professor of European Philosophy in the European Institute at the London School of Economics

Joanna Hodge, Professor of Philosophy at Manchester Metropolitan University

Stephen Mulhall, Professor of Philosophy and Tutor at New College at the University of Oxford

Producer: Luke Mulhall.

Melvyn Bragg and his guests discuss the philosophy of truth. Pontius Pilate famously asked: what is truth? In the twentieth century, the nature of truth became a subject of particular interest to philosophers, but they preferred to ask a slightly different question: what does it mean to say of any particular statement that it is true? What is the difference between these two questions, and how useful is the second of them?

With:

Simon Blackburn Fellow of Trinity College, University of Cambridge, and Professor of Philosophy at the New College of the Humanities

Jennifer Hornsby Professor of Philosophy at Birkbeck, University of London

Crispin Wright Regius Professor of Logic at the University of Aberdeen, and Professor of Philosophy at New York University

Producer: Victoria Brignell and Luke Mulhall.

Melvyn Bragg and guests discuss Zen. It's often thought of as a form of Buddhism that emphasises the practice of meditation over any particular set of beliefs. In fact Zen belongs to a particular intellectual tradition within Buddhism that took root in China in the 6th century AD. It spread to Japan in the early Middle Ages, where Zen practitioners set up religious institutions like temples, monasteries and universities that remain important today.

GUESTS

Tim Barrett, Emeritus Professor in the Department of the Study of Religions at SOAS, University of London

Lucia Dolce, Numata Reader in Japanese Buddhism at SOAS, University of London

Eric Greene, Lecturer in East Asian Religions at the University of Bristol

Producer: Luke Mulhall.

Melvyn Bragg and his guests discuss the philosophy of solitude. The state of being alone can arise for many different reasons: imprisonment, exile or personal choice. It can be prompted by religious belief, personal necessity or a philosophical need for solitary contemplation. Many thinkers have dealt with the subject, from Plato and Aristotle to Hannah Arendt. It's a philosophical tradition that takes in medieval religious mystics, the work of Montaigne and Adam Smith, and the great American poets of solitude Thoreau and Emerson.

With:

Melissa Lane Professor of Politics at Princeton University

Simon Blackburn Professor of Philosophy at the New College of the Humanities and Fellow of Trinity College, Cambridge

John Haldane Professor of Philosophy at the University of St Andrews

Producer: Thomas Morris.

Melvyn Bragg and his guests discuss Max Weber's book the Protestant Ethic and the Spirit of Capitalism. Published in 1905, Weber's essay proposed that Protestantism had been a significant factor in the emergence of capitalism, making an explicit connection between religious ideas and economic systems. Weber suggested that Calvinism, with its emphasis on personal asceticism and the merits of hard work, had created an ethic which had enabled the success of capitalism in Protestant countries. Weber's essay has come in for some criticism since he published the work, but is still seen as one of the seminal texts of twentieth-century sociology.

With:

Peter Ghosh Fellow in History at St Anne's College, Oxford

Sam Whimster Honorary Professor in Sociology at the University of New South Wales

Linda Woodhead Professor of Sociology of Religion at Lancaster University.

Producer: Thomas Morris.

Melvyn Bragg and his guests discuss the work of George Berkeley, an Anglican bishop who was one of the most important philosophers of the eighteenth century. Bishop Berkeley believed that objects only truly exist in the mind of somebody who perceives them - an idea he called immaterialism. His interests and writing ranged widely, from the science of optics to religion and the medicinal benefits of tar water. His work on the nature of perception was a spur to many later thinkers, including David Hume and Immanuel Kant. The clarity of Berkeley's writing, and his ability to pose a profound problem in an easily understood form, has made him one of the most admired early modern thinkers.

With:

Peter Millican Gilbert Ryle Fellow and Professor of Philosophy at Hertford College, Oxford

Tom Stoneham Professor of Philosophy at the University of York

Michela Massimi Senior Lecturer in Philosophy of Science at the University of Edinburgh.

Producer: Thomas Morris.

Melvyn Bragg and his guests discuss Plato's Symposium, one of the Greek philosopher's most celebrated works. Written in the 4th century BC, it is a dialogue set at a dinner party attended by a number of prominent ancient Athenians, including the philosopher Socrates and the playwright Aristophanes. Each of the guests speaks of Eros, or erotic love. This fictional discussion of the nature of love, how and why it arises and what it means to be in love, has had a significant influence on later thinkers, and is the origin of the modern notion of Platonic love.

With:

Angie Hobbs Professor of the Public Understanding of Philosophy at the University of Sheffield

Richard Hunter Regius Professor of Greek at the University of Cambridge

Frisbee Sheffield Director of Studies in Philosophy at Christ's College, University of Cambridge.

Producer: Thomas Morris.

Melvyn Bragg and his guests discuss Ordinary Language Philosophy, a school of thought which emerged in Oxford in the years following World War II. With its roots in the work of Ludwig Wittgenstein, Ordinary Language Philosophy is concerned with the meanings of words as used in everyday speech. Its adherents believed that many philosophical problems were created by the misuse of words, and that if such 'ordinary language' were correctly analysed, such problems would disappear. Philosophers associated with the school include some of the most distinguished British thinkers of the twentieth century, such as Gilbert Ryle and JL Austin.

With:

Stephen Mulhall Professor of Philosophy at New College, Oxford

Ray Monk Professor of Philosophy at the University of Southampton

Julia Tanney Reader in Philosophy of Mind at the University of Kent

Producer: Thomas Morris.

Melvyn Bragg and his guests begin a new series of the programme with a discussion of the French polymath Blaise Pascal. Born in 1623, Pascal was a brilliant mathematician and scientist, inventing one of the first mechanical calculators and making important discoveries about fluids and vacuums while still a young man. In his thirties he experienced a religious conversion, after which he devoted most of his attention to philosophy and theology. Although he died in his late thirties, Pascal left a formidable legacy as a scientist and pioneer of probability theory, and as one of seventeenth century Europe's greatest writers.

With:

David Wootton Anniversary Professor of History at the University of York

Michael Moriarty Drapers Professor of French at the University of Cambridge

Michela Massimi Senior Lecturer in the Philosophy of Science at the University of Edinburgh.

Producer: Thomas Morris.

Angie Hobbs, David Sedley and James Warren join Melvyn Bragg to discuss Epicureanism, the system of philosophy based on the teachings of Epicurus and founded in Athens in the fourth century BC. Epicurus outlined a comprehensive philosophical system based on the idea that everything in the Universe is constructed from two phenomena: atoms and void. At the centre of his philosophy is the idea that the goal of human life is pleasure, by which he meant not luxury but the avoidance of pain. His followers were suspicious of marriage and politics but placed great emphasis on friendship. Epicureanism became influential in the Roman world, particularly through Lucretius's great poem De Rerum Natura, which was rediscovered and widely admired in the Renaissance.

With:

Angie Hobbs Professor of the Public Understanding of Philosophy at the University of Sheffield

David Sedley Laurence Professor of Ancient Philosophy at the University of Cambridge

James Warren Reader in Ancient Philosophy at the University of Cambridge

Producer: Thomas Morris.

Melvyn Bragg and his guests discuss the influential British philosopher Bertrand Russell. Born in 1872 into an aristocratic family, Russell is widely regarded as one of the founders of Analytic philosophy, which is today the dominant philosophical tradition in the English-speaking world. In his important book The Principles of Mathematics, he sought to reduce mathematics to logic. Its revolutionary ideas include Russell's Paradox, a problem which inspired Ludwig Wittgenstein to pursue philosophy. Russell's most significant and famous idea, the theory of descriptions, had profound consequences for the discipline.

In addition to his academic work, Russell played an active role in many social and political campaigns. He supported women's suffrage, was imprisoned for his pacifism during World War I and was a founder of the Campaign for Nuclear Disarmament. He wrote a number of books aimed at the general public, including The History of Western Philosophy which became enormously popular, and in 1950 he was awarded the Nobel Prize in Literature. Russell's many appearances on the BBC also helped to promote the public understanding of ideas.

With:

AC Grayling Master of the New College of the Humanities and a Supernumerary Fellow of St Anne's College, Oxford

Mike Beaney Professor of Philosophy at the University of York

Hilary Greaves Lecturer in Philosophy and Fellow of Somerville College, Oxford

Producer: Victoria Brignell.

Melvyn Bragg and his guests discuss the French philosopher and social activist Simone Weil. Born in Paris in 1909 into a wealthy, agnostic Jewish family, Weil was a precocious child and attended the prestigious Ecole Normale Superieure in Paris, achieving the top marks in her class (Simone de Beauvoir came second).

Weil rejected her comfortable background and chose to work in fields and factories to experience the life of the working classes at first hand. She was acutely sensitive to human suffering and devoted her life to helping those less fortunate than herself. Despite her belief in pacifism she volunteered on the Republican side during the Spanish Civil War and later joined the French Resistance movement in England.

Her philosophy was both complex and intense. She argued that the presence of evil and suffering in the world was evidence of God's love and that Man has no right to ask anything of God or of anyone whom they love. Love which expects reward was not love at all in Weil's eyes.

Weil died of TB in Kent at the age of only 34. Her strict lifestyle and self-denial may have contributed to her early death. T.S Eliot said "she was not just a woman of genius, but was a genius akin to that of a saint"; Albert Camus believed she was "the only great spirit of our time."

With:

Beatrice Han-Pile Professor of Philosophy at the University of Essex

Stephen Plant Runcie Fellow and Dean of Trinity Hall at the University of Cambridge

David Levy Teaching Fellow in the Department of Philosophy at the University of Edinburgh

Producer: Natalia Fernandez.

Melvyn Bragg and his guests discuss the Ontological Argument. In the eleventh century St Anselm of Canterbury proposed that it was possible to prove the existence of God using reason alone. His argument was ridiculed by some of his contemporaries, but was analysed and improved by later thinkers including Descartes, Spinoza and Leibniz. Other philosophers have been less kind, with the Enlightenment thinker David Hume offering one possible refutation. But the debate continued, fuelled by interventions from such heavyweights as Immanuel Kant and Kurt Gödel; and it remains one of the most discussed problems in philosophy.

With:

John Haldane Professor of Philosophy at the University of St Andrews

Peter Millican Professor of Philosophy at the University of Oxford

Clare Carlisle Lecturer in Philosophy of Religion at King's College London

Producer: Thomas Morris.

Melvyn Bragg and his guests discuss Scepticism, the idea that it may be impossible to know anything with complete certainty. Scepticism was first outlined by ancient Greek philosophers: Socrates is reported to have said that the only thing he knew for certain was that he knew nothing. Later, Scepticism was taught at the Academy founded by Plato, and learnt by students who included the Roman statesman Cicero. The central ideas of Scepticism were taken up by later philosophers and came to the fore during the Renaissance, when thinkers including Rene Descartes and Michel de Montaigne took up its challenge. A central plank of the philosophical system of David Hume, Scepticism had a powerful influence on the religious and scientific debates of the Enlightenment.

With:

Peter Millican Professor of Philosophy at Hertford College, Oxford

Melissa Lane Professor of Politics at Princeton University

Jill Kraye Professor of the History of Renaissance Philosophy and Librarian at the Warburg Institute, University of London.

Producer: Thomas Morris.

Melvyn Bragg and his guests discuss the life and work of the Arab philosopher al-Kindi. Born in the early ninth century, al-Kindi was heavily influenced by Greek philosophy and supervised the translation of many works by Aristotle and others into Arabic. The author of more than 250 works, he wrote on many different subjects, from optics to mathematics, music and astrology. He was the first significant thinker to argue that philosophy and Islam had much to offer each other and need not be kept apart. Today al-Kindi is regarded as one of the greatest scholars of the medieval Islamic world.

With:

Hugh Kennedy Professor of Arabic at SOAS, University of London

James Montgomery Sir Thomas Adams's Professor of Arabic Elect at the University of Cambridge

Amira Bennison Senior Lecturer in Middle Eastern and Islamic Studies at the University of Cambridge.

Producer: Thomas Morris.

Melvyn Bragg and his guests discuss Neoplatonism, the school of thought founded in the 3rd century AD by the philosopher Plotinus. Born in Egypt, Plotinus was brought up in the Platonic tradition, studying and reinterpreting the works of the Greek thinker Plato. After he moved to Rome Plotinus became the most influential member of a group of thinkers dedicated to Platonic scholarship. The Neoplatonists - a term only coined in the nineteenth century - brought a new religious sensibility to bear on Plato's thought. They outlined a complex cosmology which linked the human with the divine, headed by a mysterious power which they called the One. Neoplatonism shaped early Christian, Jewish and Muslim religious scholarship, and remained a dominant force in European thought until the Renaissance. With:Angie HobbsAssociate Professor of Philosophy and Senior Fellow in the Public Understanding of Philosophy at the University of WarwickPeter AdamsonProfessor of Ancient and Medieval Philosophy at King's College LondonAnne SheppardProfessor of Ancient Philosophy at Royal Holloway, University of LondonProducer: Thomas Morris.

Melvyn Bragg and his guests discuss the work and influence of the eighteenth-century philosopher Moses Mendelssohn. A prominent figure at the court of Frederick the Great, Mendelssohn was one of the most significant thinkers of his age. He came from a humble, but culturally rich background and his obvious intelligence was recognised from a young age and nurtured by the local rabbi where he lived in the town of Dessau in Prussia. Moses's learning earned him the sobriquet of the 'German Socrates' and he is considered to be one of the principal architects of the Haskala, the Jewish Enlightenment, and widely regarded as having helped bring Judaism into the mainstream of European culture. Mendelssohn is perhaps best remembered today for his efforts to bring Jewish and German culture closer together and for his plea for religious toleration.With:Christopher ClarkProfessor of Modern European History at the University of CambridgeAbigail GreenTutor and Fellow in History at the University of OxfordAdam SutcliffeSenior Lecturer in European History at King's College, London Producer: Natalia Fernandez.

Melvyn Bragg and his guests discuss the ancient Greek philosopher Heraclitus. Writing in the 5th century BC, Heraclitus believed that everything is constantly changing or, as he put it, in flux. He expressed this thought in a famous epigram: "No man ever steps into the same river twice." Heraclitus is often considered an enigmatic thinker, and much of his work is complex and puzzling. He was critical of the poets Homer and Hesiod, whom he considered to be ignorant, and accused the mathematician Pythagoras (who may have been his contemporary) of making things up. Heraclitus despaired of men's folly, and in his work constantly strove to encourage people to consider matters from alternative perspectives. Donkeys prefer rubbish to gold, he observed, pointing out that the same thing can have different meanings to different people.Unlike most of his contemporaries he was not associated with a particular school or disciplinary approach, although he did have his followers. At times a rationalist, at others a mystic, Heraclitus is an intriguing figure who influenced major later philosophers and movements such as Plato and the Stoics.With:Angie HobbsAssociate Professor of Philosophy and Senior Fellow in the Public Understanding of Philosophy at the University of WarwickPeter AdamsonProfessor of Ancient and Medieval Philosophy at King's College LondonJames WarrenSenior Lecturer in Classics and a Fellow of Corpus Christi College, University of CambridgeProducer: Natalia Fernandez.

Melvyn Bragg and his guests discuss the Continental-Analytic split in Western philosophy. Around the beginning of the last century, philosophy began to go down two separate paths, as thinkers from Continental Europe explored the legacy of figures including Friedrich Nietzsche and Martin Heidegger, while those educated in the English-speaking world tended to look to more analytically-inclined philosophers like Bertrand Russell and Gottlob Frege. But the divide between these two schools of thought is not clear cut, and many philosophers even question whether the term 'Continental' is accurate or useful.The Analytic school favours a logical, scientific approach, in contrast to the Continental emphasis on the importance of time and place. But what are the origins of this split and is it possible that contemporary philosophers can bridge the gap between the two? With:Stephen MulhallProfessor of Philosophy at New College, University of OxfordBeatrice Han-PileProfessor of Philosophy at the University of EssexHans Johann-Glock Professor of Philosophy at the University of ZurichProducer: Natalia Fernandez.

Melvyn Bragg and his guests discuss the work of the philosopher David Hume. A key figure in the Scottish Enlightenment of the eighteenth century, Hume was an empiricist who believed that humans can only have knowledge of things they have themselves experienced. Hume made a number of significant contributions to philosophy. He saw human nature as a manifestation of the natural world, rather than something above and beyond it. He gave a sceptical account of religion, which caused many to suspect him of atheism. He was also the author of a bestselling History of England. His works, beginning in 1740 with A Treatise of Human Nature, have influenced thinkers from Adam Smith to Immanuel Kant and Charles Darwin, and today he is regarded by some scholars as the most important philosopher ever to write in English.With:Peter MillicanProfessor of Philosophy at the University of OxfordHelen BeebeeProfessor of Philosophy at the University of BirminghamJames HarrisSenior Lecturer in Philosophy at the University of St AndrewsProducer: Thomas Morris.

Melvyn Bragg and his guests discuss Malthusianism.In the eighteenth century, as expanding agriculture and industry resulted in a rapid increase in the European population, a number of writers began to consider the implications of this rise in numbers. Some argued it was a positive development, since a larger population meant more workers and thus more wealth. Others maintained that it placed an intolerable strain on natural resources.In 1798 a young Anglican priest, the Reverend Thomas Malthus, published An Essay on the Principle of Population. Malthus argued that the population was increasing exponentially, and that food production could not keep pace; eventually a crisis would ensue. He suggested that famine, disease and wars acted as a natural corrective to overpopulation, and also suggested a number of ways in which humans could regulate their own numbers. The work caused a furore and fuelled a public debate about the size and sustainability of the British population which raged for generations. It was a profoundly influential work: Charles Darwin credited Malthus with having inspired his Theory of Natural Selection.With:Karen O'BrienPro-Vice-Chancellor for Education at the University of BirminghamMark PhilpLecturer in Politics at the University of OxfordEmma GriffinSenior Lecturer in History at the University of East Anglia Producer: Thomas Morris.

Melvyn Bragg and his guests discuss one of the most famous statements in philosophy: "Cogito ergo sum".In his Discourse on the Method, published in 1637, the French polymath Rene Descartes wrote a sentence which remains familiar today even to many people who have never heard of him. "I think", he wrote, "therefore I exist". Although the statement was made in French, it has become better known in its Latin translation; and philosophers ever since have referred to it as the Cogito Argument.In his first Meditation, published ten years after the Discourse, Descartes went even further. He asserted the need to demolish everything completely and start right again from the foundations, arguing, for instance, that information from the senses cannot be trusted. The only thing he could be sure of was this: because he was thinking, he must exist. This simple idea continues to stir up enormous interest and has attracted comment from thinkers from Hobbes to Nietzsche and Sartre. With:Susan JamesProfessor of Philosophy at Birkbeck College, University of LondonJohn CottinghamProfessor Emeritus of Philosophy at the University of Reading and Professorial Research Fellow at Heythrop College, University of LondonStephen MulhallProfessor of Philosophy at the University of Oxford.Producer: Thomas Morris.

In the 500th edition of the programme, Melvyn Bragg and his guests discuss the philosophical idea of free will.Free will - the extent to which we are free to choose our own actions - is one of the most absorbing philosophical problems, debated by almost every great thinker of the last two thousand years. In a universe apparently governed by physical laws, is it possible for individuals to be responsible for their own actions? Or are our lives simply proceeding along preordained paths? Determinism - the doctrine that every event is the inevitable consequence of what goes before - seems to suggest so.Many intellectuals have concluded that free will is logically impossible. The philosopher Baruch Spinoza regarded it as a delusion. Albert Einstein wrote: "Human beings, in their thinking, feeling and acting are not free agents but are as causally bound as the stars in their motion." But in the Enlightenment, philosophers including David Hume found ways in which free will and determinism could be reconciled. Recent scientific developments mean that this debate remains as lively today as it was in the ancient world.With: Simon BlackburnBertrand Russell Professor of Philosophy at the University of CambridgeHelen BeebeeProfessor of Philosophy at the University of BirminghamGalen StrawsonProfessor of Philosophy at the University of ReadingProducer: Thomas Morris.

Melvyn Bragg and his guests discuss the work and influence of Maimonides.Widely regarded as the greatest Jewish philosopher of the medieval period, Maimonides was also a physician and rabbinical authority. Also known as Rambam, his writings include a 14-volume work on Jewish law, the Mishneh Torah, which is still widely used today, and the Guide for the Perplexed, a central work of medieval philosophy. Although undoubtedly a titan of Jewish intellectual history, Maimonides was also profoundly influenced by the Islamic world. He exerted a strong influence on later Islamic philosophy, as well as on thinkers ranging from Thomas Aquinas to Leibniz and Newton.With:John HaldaneProfessor of Philosophy at the University of St AndrewsSarah StroumsaAlice and Jack Ormut Professor of Arabic Studies and currently Rector at the Hebrew University of JerusalemPeter AdamsonProfessor of Ancient and Medieval Philosophy at King's College London.Producer: Thomas Morris.

Melvyn Bragg and his guests discuss Aristotle's Poetics. The Poetics is, as far as we know, the first ever work of literary theory. Written in the 4th century BC, it is the work of a scholar who was also a biologist, and treats literary works with the detached analytical eye of a scientist. Aristotle examines drama and epic poetry, and how they achieve their effects; he analyses tragedy and the ways in which it plays on our emotions. Many of the ideas he articulates, such as catharsis, have remained in our critical vocabulary ever since. The book also contains an impassioned defence of poetry, which had been attacked by other thinkers, including Aristotle's own teacher Plato.Translated by medieval Arab scholars, the Poetics was rediscovered in Europe during the Renaissance and became a playwriting manual for many dramatists of the era. Today it remains a standard text for would-be Hollywood screenwriters.With:Angie HobbsAssociate Professor of Philosophy and Senior Fellow in the Public Understanding of Philosophy at the University of WarwickNick LoweReader in Classical Literature at Royal Holloway, University of LondonStephen HalliwellProfessor of Greek at the University of St AndrewsProducer: Thomas Morris.

Melvyn Bragg and his guests discuss Daoism. An ancient Chinese tradition of philosophy and religious belief, Daoism first appeared more than two thousand years ago. For centuries it was the most popular religion in China; in the West its religious aspects are not as well known as its practices, which include meditation and Feng Shui, and for its most celebrated text, the Daodejing.The central aim in Daoism is to follow the 'Dao', a word which roughly translates as 'The Way'. Daoists believe in following life in its natural flow, what they refer to as an 'effortless action'. This transcendence can be linked to Buddhism, the Indian religion that came to China in the 2nd century BC and influenced Daoism - an exchange which went both ways. Daoism is closely related to, but has also at times conflicted with, the religion of the Chinese Imperial court, Confucianism. The spirit world is of great significance in Daoism, and its hierarchy and power often take precedence over events and people in real life. But how did this ancient and complex religion come to be so influential?With:Tim Barrett Professor of East Asian History at the School of Oriental and African Studies, University of LondonMartin PalmerDirector of the International Consultancy on Religion, Education and CultureHilde De WeerdtFellow and Tutor in Chinese History at Pembroke College, University of Oxford Producer: Natalia Fernandez.

Melvyn Bragg and his guests discuss the history of logic. Logic, the study of reasoning and argument, first became a serious area of study in the 4th century BC through the work of Aristotle. He created a formal logical system, based on a type of argument called a syllogism, which remained in use for over two thousand years. In the nineteenth century the German philosopher and mathematician Gottlob Frege revolutionised logic, turning it into a discipline much like mathematics and capable of dealing with expressing and analysing nuanced arguments. His discoveries influenced the greatest mathematicians and philosophers of the twentieth century and considerably aided the development of the electronic computer. Today logic is a subtle system with applications in fields as diverse as mathematics, philosophy, linguistics and artificial intelligence.With:A.C. GraylingProfessor of Philosophy at Birkbeck, University of LondonPeter MillicanGilbert Ryle Fellow in Philosophy at Hertford College at the University of OxfordRosanna KeefeSenior Lecturer in Philosophy at the University of Sheffield.Producer: Thomas Morris.

Melvyn Bragg and his guests discuss the work of the eighteenth-century philosopher, politician and writer Edmund Burke.Born in Dublin, Burke began his career in London as a journalist and made his name with two works of philosophy before entering Parliament. There he quickly established a reputation as one of the most formidable orators of an age which also included Pitt the Younger.When unrest began in America in the 1760s, Burke was quick to defend the American colonists in their uprising. But it was his response to another revolution which ensured he would be remembered by posterity. In 1790 he published Reflections on the Revolution in France, a work of great literary verve which attacked the revolutionaries and predicted disaster for their project. The book prompted Thomas Paine to write his masterpiece Rights of Man, and Mary Wollstonecraft was among the others to take part in the ensuing pamphlet war. Burke's influence shaped our parliamentary democracy and attitude to Empire, and lingers today.With:Karen O'BrienProfessor of English at the University of WarwickRichard BourkeSenior Lecturer in History at Queen Mary, University of LondonJohn KeaneProfessor of Politics at the University of SydneyProducer: Thomas Morris.

Melvyn Bragg and guests discuss 'The Varieties of Religious Experience' by William James. The American novelist Henry James famously made London his home and himself more English than the English. In contrast, his psychologist brother, William, was deeply immersed in his American heritage. But in 1901, William came to Britain too. He had been invited to deliver a series of prestigious public lectures in Edinburgh. In them, he attempted a daringly original intellectual project. For the first time, here was a close-up examination of religion not as a body of beliefs, but as an intimate personal experience. When the lectures were printed, as 'The Varieties of Religious Experience', they were an instant success.They laid the ground for a whole new area of study - the psychology of religion - and influenced figures from the psychiatrist Carl Jung to the novelist Aldous Huxley. To date, James's book has been reprinted thirty-six times and has been hailed as one of the best non-fiction books of the twentieth century.With:Jonathan ReeFreelance philosopherJohn HaldaneProfessor of Philosophy at the University of St AndrewsGwen Griffith-DicksonEmeritus Professor of Divinity at Gresham College and Director of the Lokahi FoundationProducer: Natasha Emerson.

Melvyn Bragg and guests discuss the life and works of William Hazlitt. Hazlitt is best known for his essays, which ranged in subject matter from Shakespeare, through his first meeting with Samuel Taylor Coleridge, to a boxing match. What is less well-known, however, is that he began his writing life as a philosopher, before deliberately abandoning the field for journalism. Nonetheless, his early reasoning about the power of the imagination to take human beings beyond narrow self-interest, as encapsulated in his 'Essay on the Principles of Human Action', shines through his more popular work.Hazlitt is a figure full of contradictions - a republican who revered Napoleon, and a radical who admired the conservative philosopher Edmund Burke. His reputation suffered terribly from his book 'Liber Amoris', a self-revealing memoir of his infatuation with his landlady's daughter. But in the Victorian and Edwardian eras, his importance was acknowledged by writers like Charles Dickens, Robert Louis Stevenson and Ford Madox Ford. In the 180 years since his death, his stature as perhaps the finest essayist in the language has grown and grown. With:Jonathan BateProfessor of English Literature at the University of Warwick Anthony GraylingProfessor of Philosophy at Birkbeck College, University of LondonUttara NatarajanSenior Lecturer in the Department of English and Comparative Literature at Goldsmiths College, University of LondonProducer: Phil Tinline.

Melvyn Bragg and guests Robert Hoyland, Robert Irwin and Hugh Kennedy discuss the life and ideas of the 14th-century Arab philosopher of history Ibn Khaldun.Ibn Khaldun was a North African statesman who retreated into the desert in 1375. He emerged having written one of the most important ever studies of the workings of history.Khaldun was born in Tunis in 1332. He received a supremely good education, but at 16 lost many of his family to the Black Death. His adult life was similarly characterised by sharp turns of fortune. He built a career as a political operator in cities from Fez to Granada. But he often fared badly in court intrigues, was imprisoned and failed to prevent the murder of a fellow statesman. In 1375, he withdrew into the Sahara to work out why the Muslim world had degenerated into division and decline. Four years later, he had completed not only a history of North African politics but also, in the book's long introduction, one of the great studies of history. Drawing on both regional history and personal experience, he set out a bleak analysis of the rise and fall of dynasties. He argued that group solidarity was vital to success in power. Within five generations, though, this always decayed. Tired urban dynasties inevitably became vulnerable to overthrow by rural insurgents.Later in life, Ibn Khaldun worked as a judge in Egypt, and in 1401 he met the terrifying Mongol conqueror Tamburlaine, whose triumphs, Ibn Khaldun felt, bore out his pessimistic theories.Over the last three centuries Ibn Khaldun has been rediscovered as a profoundly prescient political scientist, philosopher of history and forerunner of sociology - one of the great thinkers of the Muslim world.Robert Hoyland is Professor of Islamic History at the University of Oxford; Robert Irwin is Senior Research Associate of the School of Oriental and African Studies at the University of London; Hugh Kennedy is Professor of Arabic in the School of Oriental and African Studies at the University of London.

Melvyn Bragg and guests Raymond Geuss, Esther Leslie and Jonathan Rée discuss the Frankfurt School.This group of influential left-wing German thinkers set out, in the wake of Germany's defeat in the First World War, to investigate why their country had not had a revolution, despite the apparently revolutionary conditions that spread through Germany in the wake of the 1918 Armistice. To find out why the German workers had not flocked to the Red Flag, Theodor Adorno, Max Horkheimer, Walter Benjamin and others came together around an Institute set up at Frankfurt University and began to focus their critical attention not on the economy, but on culture, asking how it affected people's political outlook and activities. But then, with the rise of the Nazis, they found themselves fleeing to 1940s California. There, their disenchantment with American popular culture combined with their experiences of the turmoil of the interwar years to produce their distinctive, pessimistic worldview. With the defeat of Nazism, they returned to Germany to try to make sense of the route their native country had taken into darkness. In the 1960s, the Frankfurt School's argument - that most of culture helps to keep its audience compliant with capitalism - had an explosive impact. Arguably, it remains influential today.Raymond Geuss is a professor in the Faculty of Philosophy at the University of Cambridge; Esther Leslie is Professor in Political Aesthetics at Birkbeck College, University of London; Jonathan Rée is a freelance historian and philosopher, currently Visiting Professor at Roehampton University and at the Royal College of Art.

Melvyn Bragg and guests John Mullan, Karen O'Brien and Barbara Taylor discuss the life and ideas of the pioneering British Enlightenment thinker Mary Wollstonecraft.Mary Wollstonecraft was born in 1759 into a middle-class family whose status steadily sank as her inept, brutal, drunken father frittered away the family fortune. She did what she could to protect her mother from his aggression; meanwhile, her brother was slated to inherit much of the remaining fortune, while she was to receive nothing.From this unpromising but radicalising start, Wollstonecraft's career took a dizzying trajectory through a bleak period as a governess to becoming a writer, launching a polemical broadside against the political star of the day, witnessing the bloodshed of the French Revolution up close, rescuing her lover's stolen ship in Scandanavia, then marrying one of the leading philosophers of the day, William Godwin, and with him having a daughter who - though she never lived to see her grow up - would go on to write Frankenstein.But most importantly, in 1792, she published her great work, A Vindication of the Rights of Woman, which marks her out as one of the great thinkers of the British Enlightenment, with a much stronger, more lasting influence than Godwin. The Vindication was an attempt to apply the Enlightenment logic of rights and reason to the lives of women. Yet it was not a manifesto for the extension of the vote or the reform of divorce law, but a work of political philosophy. And surprisingly, as recent scholarship has highlighted, it was infused with Rational Dissenting Christianity, which Wollstonecraft had absorbed during her time as a struggling teacher and writer in north London.John Mullan is Professor of English at University College, London; Karen O'Brien is Professor of English at the University of Warwick; Barbara Taylor is Professor of Modern History in the School of Humanities and Social Sciences at the University of East London.

Melvyn Bragg and guests Serafina Cuomo, John O'Connor and Ian Stewart discuss the ideas and influence of the Greek mathematician Pythagoras and his followers, the Pythagoreans.The Ancient Greek mathematician Pythagoras is probably best known for the theorem concerning right-angled triangles that bears his name. However, it is not certain that he actually developed this idea; indeed, some scholars have questioned not only his true intellectual achievements, but whether he ever existed. We do know that a group of people who said they were followers of his - the Pythagoreans - emerged around the fifth century BC. Melvyn Bragg and his guests discuss what we do and don't know about this legendary figure and his followers, and explore the ideas associated with them. Some Pythagoreans, such as Philolaus and Archytas, were major mathematical figures in their own right. The central Pythagorean idea was that number had the capacity to explain the truths of the world. This was as much a mystical belief as a mathematical one, encompassing numerological notions about the 'character' of specific numbers. Moreover, the Pythagoreans lived in accordance with a bizarre code which dictated everything from what they could eat to how they should wash. Nonetheless, Pythagorean ideas, centred on their theory of number, have had a profound impact on Western science and philosophy, from Plato through astronomers like Copernicus to the present day.Serafina Cuomo is Reader in Roman History at Birkbeck College, University of London; John O'Connor is Senior Lecturer in Mathematics at the University of Saint Andrews; Ian Stewart is Emeritus Professor of Mathematics at the University of Warwick.

Melvyn Bragg and guests AC Grayling, Beatrice Han-Pile and Christopher Janaway discuss the dark, pessimistic philosophy of Arthur Schopenhauer.As a radical young thinker in Germany in the early 19th century, Schopenhauer railed against the dominant ideas of the day. He dismissed the pre-eminent German philosopher Georg Hegel as a pompous charlatan, and turned instead to the Enlightenment thinking of Immanuel Kant for inspiration. Schopenhauer's central idea was that everything in the world was driven by the Will - broadly, the ceaseless desire to live. But this, he argued, left us swinging pointlessly between suffering and boredom. The only escape from the tyranny of the Will was to be found in art, and particularly in music. Schopenhauer was influenced by Eastern philosophy, and in turn his own work had an impact well beyond the philosophical tradition in the West, helping to shape the work of artists and writers from Richard Wagner to Marcel Proust, and Albert Camus to Sigmund Freud.AC Grayling is Professor of Philosophy at Birkbeck College, University of London; Beatrice Han-Pile is Professor of Philosophy at the University of Essex; Christopher Janaway is Professor of Philosophy at the University of Southampton.

Melvyn Bragg discusses the life, works and enduring influence of the medieval philosopher and theologian St Thomas Aquinas with Martin Palmer, John Haldane and Annabel Brett. St Thomas Aquinas' ideas remain at the heart of the official doctrine of the Roman Catholic Church today and inform philosophical debates on human rights, natural law and what constitutes a 'just war'.Martin Palmer is Director of the International Consultancy on Religion, Education and Culture; John Haldane is Professor of Philosophy at the University of St Andrews; Annabel Brett is Lecturer in History at Gonville and Caius College, Cambridge.

Melvyn Bragg discusses Logical Positivism, the eye-wateringly radical early 20th century philosophical movement. The Logical Positivists argued that much previous philosophy was built on very shaky foundations, and they wanted to go right back to the drawing board. They insisted that philosophy - and science - had to be much more rigorous before it started making grand claims about the world. The movement began with the Vienna Circle, a group of philosophically-trained scientists and scientifically-trained philosophers, who met on Thursdays, in 'Red Vienna', in the years after the First World War. They were trying to remould philosophy in a world turned upside down not just by war, but by major advances in science. Their hero was not Descartes or Hegel but Albert Einstein. The group's new doctrine rejected great swathes of earlier philosophy, from meditations on the existence of God to declarations on the nature of History, as utterly meaningless. When the Nazis took power, they fled to England and America, where their ideas put down new roots, and went on to have a profound impact.Melvyn is joined by Barry Smith, Professor of Philosophy at the University of London; Nancy Cartwright, Professor of Philosophy at the London School of Economics; and Thomas Uebel, Professor of Philosophy at Manchester University.

Patricia Fara, Stephen Pumfrey and Rhodri Lewis join Melvyn Bragg to discuss the Jacobean lawyer, political fixer and alleged founder of modern science Francis Bacon.In the introduction to Thomas Spratt's History of the Royal Society, there is a poem about man called Francis Bacon which declares 'Bacon, like Moses, led us forth at last, The barren wilderness he past, Did on the very border stand Of the blest promis'd land, And from the mountain's top of his exalted wit, Saw it himself, and shew'd us it'.Francis Bacon was a lawyer and political schemer who climbed the greasy pole of Jacobean politics and then fell down it again. But he is most famous for developing an idea of how science should be done - a method that he hoped would slough off the husk of ancient thinking and usher in a new age. It is called Baconian Method and it has influenced and inspired scientists from Bacon's own time to the present day.

Melvyn Bragg and guests discuss The School of Athens – the fresco painted by the Italian Renaissance painter, Raphael, for Pope Julius II’s private library in the Vatican. The fresco depicts some of the most famous philosophers of ancient times, including Aristotle and Plato, engaged in discussion amidst the splendour of a classical Renaissance chamber. It is considered to be one of the greatest images in Western art not only because of Raphael’s skill as a painter, but also his ability to have created an enduring image that continues to inspire philosophical debate today. Raphael captured something essential about the philosophies of these two men, but he also revealed much about his own time. That such a pagan pair could be found beside a Pope in private tells of the complexity of intellectual life at the time when classical learning was reborn in what we now call the Renaissance.With Angie Hobbs, Associate Professor in Philosophy at the University of Warwick; Valery Rees, Renaissance scholar and senior member of the Language Department at the School of Economic Science; Jill Kraye, Professor of the History of Renaissance Philosophy and Librarian at the Warburg Institute at the University of London

Melvyn Bragg and guests discuss the 19th century American writer and philosopher, Henry David Thoreau. Anti-slavery activist and passionate environmentalist, Thoreau was above all a champion of self-reliance and individualism. He was also a champion of the simple life, a lover of nature and an enemy of the modern who lived alone in a log cabin in the woods away from society. In his seminal work, Walden, published in 1854, he wrote: “I went to the woods because I wished to live deliberately, to front only the essential facts of life and not, when I came to die, discover that I had not lived. I wanted to live deep and suck out all the marrow of life.” Thoreau has become emblematic of one version of American values and his work has been an inspiration to politicians and writers alike, from Martin Luther King to Gandhi, Yeats and Tolstoy. Yet in many ways Thoreau remains a mystery, a man of contradictions who advocated self-sufficiency but was happy to let his mother do his washing and cook his meals.With Kathleen Burk, Professor of American History at University College London; Tim Morris, Lecturer in American Literature at the University of Dundee; Stephen Fender, Honorary Professor in English Literature at University College London.

Melvyn Bragg and guests discuss the consolation of Philosophy. In the 6th century AD, a successful and intelligent Roman politician called Boethius found himself unjustly accused of treason. Trapped in his prison cell, awaiting a brutal execution, he found solace in philosophical ideas - about the true nature of reality, about injustice and evil and the meaning of living a moral life. His thoughts did not save him from death, but his ideas lived on because he wrote them into a book. He called it The Consolation of Philosophy. The Consolation of Philosophy was read widely and a sense of consolation is woven into many philosophical ideas, but what for Boethius were the consolations of philosophy, what are they more generally and should philosophy lead us to consolation or lead us from it?With AC Grayling, Professor of Philosophy at Birkbeck College, University of London; Melissa Lane, Senior University Lecturer in History at the University of Cambridge and Roger Scruton, Research Professor at the Institute for the Psychological Sciences.

Melvyn Bragg and guests discuss one of the most important works of political philosophy ever written - Aristotle’s ‘Politics’. Looking out across the city states of 4th century Greece Aristotle asked what made a society good and developed a language of ‘oligarchies’, ‘democracies’ and ‘monarchies’ that we still use today. Having witnessed his home town of Stagira destroyed by Philip of Macedon, Aristotle tried to establish a way of preserving a good society in dangerous times. How should it be governed and who should be allowed to live in it? Thomas Hobbes, Jean-Jacques Rousseau, Thomas Aquinas and Niccolo Machiavelli, to name but a few, have all asked the same questions and come up with wildly differing answers.Aristotle’s conclusions range across the role of wealth and the law, across men, women and slaves, education and leisure. They are far reaching, influential and, at times, deeply unpalatable. But they are also answers to questions that have not and will not go away. With Angie Hobbs, Associate Professor of Philosophy at the University of Warwick; Paul Cartledge, AG Leventis Professor of Greek Culture at the University of Cambridge and Annabel Brett, Senior Lecturer in History at the University of Cambridge.

Melvyn Bragg and guests discuss an iconic piece of 20th century maths - Gödel’s Incompleteness Theorems. In 1900, in Paris, the International Congress of Mathematicians gathered in a mood of hope and fear. The edifice of maths was grand and ornate but its foundations, called axioms, had been shaken. They were deemed to be inconsistent and possibly paradoxical. At the conference, a young man called David Hilbert set out a plan to rebuild the foundations of maths – to make them consistent, all encompassing and without any hint of a paradox. Hilbert was one of the greatest mathematicians that ever lived, but his plan failed spectacularly because of Kurt Gödel. Gödel proved that there were some problems in maths that were impossible to solve, that the bright clear plain of mathematics was in fact a labyrinth filled with potential paradox. In doing so Gödel changed the way we understand what mathematics is and the implications of his work in physics and philosophy take us to the very edge of what we can know.With Marcus du Sautoy, Professor of Mathematics at Wadham College, University of Oxford; John Barrow, Professor of Mathematical Sciences at the University of Cambridge and Gresham Professor of Geometry and Philip Welch, Professor of Mathematical Logic at the University of Bristol.

Melvyn Bragg and guests discuss one of the greatest intellectual projects in history - the mass translation of Greek ideas into Arabic from the 9th century onwards.One night in Baghdad, the 9th century Caliph Al-Mamun was visited by a dream. The philosopher Aristotle appeared to him, saying that the reason of the Greeks and the revelation of Islam were not opposed. On waking, the Caliph demanded that all of Aristotle’s works be translated into Arabic. And they were. And it wasn’t just Aristotle. Over the next 200 years Greek philosophy, medicine, engineering and maths were all poured and sometimes squeezed into Arabic. Centred on Baghdad, this translation movement introduced the Islamic world to the philosophy of Aristotle, the geometry of Euclid and the Medicine of Galen. It caused an intellectual ferment that demanded the creation of new words to explain new concepts and house new arguments. Over 600 years before the European renaissance the intellectual legacy of Greece was woven into the tapestry of Arabic thought and it was only through the Arabic versions that Europe go its hands on many Greek ideas. With Peter Adamson, Reader in Philosophy at King’s College London; Amira Bennison, Senior Lecturer in Middle Eastern and Islamic Studies at the University of Cambridge; and Peter Pormann, Wellcome Trust Assistant Professor in Classics and Ancient History at the University of Warwick

Melvyn Bragg and guests discuss the parting of the Red Sea, the feeding of the five thousand and the general subject of miracles. Miracles have been part of human culture for thousands of years. From St Augustine in the 4th century through the medieval cult of saints to David Hume in the 18th, miracles have captured the imaginations of believers and sceptics alike. The way they have been celebrated, interpreted, dissected and refuted is a whole history of arguments between philosophy, science and religion. They have also been used by the corrupt and the powerful to gain their perverse ends. Miracles have been derided and proved to be fraudulent and yet, for many, the miraculous maintain a grip on our imagination, our language and our belief to this day. With Martin Palmer, Director of the International Consultancy on Religion, Education and Culture;Janet Soskice, Reader in Philosophical Theology at Cambridge University; Justin Champion, Professor of the History of Early Modern Ideas at Royal Holloway, University of London.

Melvyn Bragg and guests discuss Materialism in Philosophy – the idea that matter and the interactions between matter account for all that exists and all that happens. We trace the descent of materialism from the ancient Greek philosophers Democritus and Epicurus, to its powerful and controversial flowering in the 17th, 18th and 19th centuries as an attack on religion. It’s provocative stuff even today and certainly was in 1770 when Baron D’Holbach published his book The System of Nature. He wrote: "If we go back to the beginning we shall find that ignorance and fear created the gods; that fancy, enthusiasm, or deceit adorned or disfigured them; that weakness worships them; that credulity preserves them, and that custom, respect and tyranny support them."Materialism was considered so dangerous that every copy of the Baron’s book was condemned to be burnt. Despite this, or perhaps because of it, materialism dominates much of our understanding of the world today. Associated with science and atheism, Materialism has influenced many forms of contemporary human thought from the process of history to the diagnosis of disease and boasts a cast list of devotees including Pierre Gassandi, Thomas Hobbes, the Marquis de Sade and Karl Marx. But what does materialism really mean, how has it developed over time and can we still have free will if we are living in a materialist world? With Anthony Grayling, Professor of Philosophy at Birkbeck College, University of London; Caroline Warman, Fellow of Jesus College, Oxford; Anthony O’Hear, Professor of Philosophy at the University of Buckingham

Melvyn Bragg and guests discuss the rich and radical ideas of Soren Kierkegaard, often called the father of Existentialism.In 1840 a young Danish girl called Regine Olsen got engaged to her sweetheart – a modish and clever young man called Søren Kierkegaard. The two were deeply in love but soon the husband to be began to have doubts. He worried that he couldn’t make Regine happy and stay true to himself and his dreams of philosophy. It was a terrible dilemma, but Kierkegaard broke off the engagement – a decision from which neither he nor his fiancée fully recovered. This unhappy episode has become emblematic of the life and thought of Søren Kierkegaard - a philosopher who confronted the painful choices in life and who understood the darker modes of human existence. Yet Kierkegaard is much more than the gloomy Dane of reputation. A thinker of wit and elegance, his ability to live with paradox and his desire to think about individuals as free have given him great purchase in the modern world and he is known as the father of Existentialism.With Jonathan Rée, Visiting Professor at Roehampton University and the Royal College of Art; Clare Carlisle, Lecturer in Philosophy at the University of Liverpool; John Lippitt, Professor of Ethics and Philosophy of Religion at the University of Hertfordshire.

Melvyn Bragg and guests discuss the Social Contract and ask a foundational question of political philosophy – by what authority does a government govern? “Man was born free and he is everywhere in chains”. So begins Jean Jacques Rousseau’s great work on the Social Contract. Rousseau was trying to understand why a man would give up his natural freedoms and bind himself to the rule of a prince or a government. But the idea of the social contract - that political authority is held through a contract with those to be ruled - began before Rousseau with the work of John Locke, Hugo Grotius and even Plato. We explore how an idea that burgeoned among the 17th century upheavals of the English civil war and then withered in the face of modern capitalist society still influences our attitude to government today. With Melissa Lane, Senior University Lecturer in History at Cambridge University; Susan James, Professor of Philosophy at Birkbeck College, University of London; Karen O’Brien, Professor of English Literature at the University of Warwick.

Melvyn Bragg and guests discuss the Algerian-French writer and Existentialist philosopher Albert Camus. Shortly after the new year of 1960, a powerful sports car crashed in the French town of Villeblevin in Burgundy, killing two of its occupants. One was the publisher Michel Gallimard; the other was the writer Albert Camus. In Camus’ pocket was an unused train ticket and in the boot of the car his unfinished autobiography The First Man. Camus was 46. Born in Algeria in 1913, Camus became a working class hero and icon of the French Resistance. His friendship with Sartre has been well documented, as has their falling out; and although Camus has been dubbed both an Absurdist and Existentialist philosopher, he denied he was even a philosopher at all, preferring to think of himself as a writer who expressed the realities of human existence. Awarded the Nobel Prize for Literature in 1957, Camus’ legacy is a rich one, as an author of plays, novels and essays, and as a political thinker who desperately sought a peaceful solution to the War for Independence in his native Algeria. With Peter Dunwoodie, Professor of French Literature at Goldsmiths, University of London; David Walker, Professor of French at the University of Sheffield; Christina Howells, Professor of French at Wadham College, University of Oxford.

Melvyn Bragg and guests discuss the Persian Islamic philosopher, Avicenna. In the city of Hamadan in Iran, right in the centre, there is a vast mausoleum dedicated to an Iranian national hero. Built in 1952, exactly 915 years after his death, it’s a great conical tower with twelve supporting columns. It’s dedicated not to a warrior or a king but to a philosopher and physician. His name is Ali Al Husayn Ibn-Sina, but he is also known as Avicenna and he is arguably the most important philosopher in the history of Islam.  In a colourful career Avicenna proved the existence of god, amalgamated all known medical knowledge into one big book and established a mind body dualism 600 years before Descartes and still found time to overindulge in wine and sex. With Peter Adamson, Reader in Philosophy at King's College London; Amira Bennison, Senior Lecturer in Middle Eastern and Islamic Studies at the University of Cambridge; Nader El-Bizri, Affiliated Lecturer in the History and Philosophy of Science at the University of Cambridge.

Melvyn Bragg and guests discuss morality by taking a long hard look at the idea of guilt. The 18th century politician and philosopher Edmund Burke was once moved to comment: “Guilt was never a rational thing; it distorts all the faculties of the human mind, it perverts them, it leaves a man no longer in the free use of his reason, it puts him into confusion.”Guilt is a legal category but also a psychological state and a moral idea. Over the centuries theologians, philosophers and psychologists have tried to determine how it relates to morality, reason and the workings of the mind? The answers seem to cut deeply into our understanding of what it is to be human.With Stephen Mulhall, Fellow and Tutor in Philosophy at New College, Oxford; Miranda Fricker, Senior Lecturer in Philosophy at Birkbeck, University of London; Oliver Davies, Professor of Christian Doctrine at King’s College London

Melvyn Bragg and guests discuss the Greek philosopher Socrates, acknowledged as one of the founders of Western philosophy. Born in 469 BC into the golden age of the city of Athens, he has profoundly influenced philosophy ever since. In fact, his impact is so profound that all the thinkers who went before are simply known as pre-Socratic.In person Socrates was deliberately irritating, he was funny and he was rude; he didn’t like democracy very much and spent quite a lot of time in shoe shops. He claimed he was on a mission from God to educate his fellow Athenians but has left us nothing in his own hand because he refused to write anything down. With Angie Hobbs, Associate Professor of Philosophy at Warwick University; David Sedley, Laurence Professor of Ancient Philosophy at Cambridge University; Paul Millett, Senior Lecturer in Classics at the University of Cambridge.

Melvyn Bragg looks at an unexpected philosophical subject - the philosophy of common sense. In the first century BC the Roman statesman Marcus Tullius Cicero claimed “There is no statement so absurd that no philosopher will make it”. Indeed, in the history of Western thought, philosophers have rarely been credited with having much common sense. In the 17th century Francis Bacon made a similar point when he wrote “Philosophers make imaginary laws for imaginary commonwealths, and their discourses are as the stars, which give little light because they are so high”. Samuel Johnson picked up the theme with characteristic pugnacity in 1751 declaring that “the public would suffer less present inconvenience from the banishment of philosophers than from the extinction of any common trade.” Philosophers, it seems, are as distinct from the common man as philosophy is from common sense.But as Samuel Johnson scribbled his pithy knockdown in the Rambler magazine, the greatest philosophers in Britain were locked in a dispute about the very thing he denied them: Common Sense. It was a dispute about the nature of knowledge and the individuality of man, from which we derive the idea of common sense today. The chief antagonists were a minister of the Scottish Church, Thomas Reid, and the bon-viveur darling of the Edinburg chattering classes, David Hume. It's a journey that also takes in Rene Descartes, Immanuel Kant, John Locke and some of the most profound questions about human knowledge we are capable of asking.With A C Grayling, Professor of Philosophy at Birkbeck, University of London; Melissa Lane, Senior University Lecturer in History at Cambridge University; Alexander Broadie, Professor of Logic and Rhetoric at the University of Glasgow.