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The Popperian Podcast

by Jed Lea-Henry

Interviewing academics, professionals and other experts, The Popperian Podcast is a monthly podcast where Jed Lea-Henry looks into the philosophy and life of Karl Popper.

From the show's RSS feed, refreshed Apr 23, 2026. Source feed.

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Episodes

  1. #52 – W.W. Bartley and his Critics

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. *** Retreat to Commitment Retreat to Commitment by Bartley - AbeBooks and Retreat to Commitment: Bartley, III: 9780812691276: Amazon.com: Books Website – The Popperian Podcast —…

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  2. #51 – The Retreat to Commitment by W.W. Bartley, Appendix 5 and 6

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. *** Retreat to Commitment Retreat to Commitment by Bartley - AbeBooks and Retreat to Commitment: Bartley, III: 9780812691276: Amazon.com: Books Support via Patreon –...

  3. #50 – The Retreat to Commitment by W.W. Bartley, Appendix 4 – Part 3

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. ** John Post's description of the alleged paradox within pancritical rationalism, as presented by William Bartley on page 224 of The Retreat to Commitment: Since (B) is implied by...

  4. #49 – The Retreat to Commitment by W.W. Bartley, Appendix 4 – Part 2

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. ** John Post's description of the alleged paradox within pancritical rationalism, as presented by William Bartley on page 224 of The Retreat to Commitment: Since (B) is implied by...

  5. #48 – The Retreat to Commitment by W.W. Bartley, Appendix 4 – Part 1

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. ** John Post's description of the alleged paradox within pancritical rationalism, as presented by William Bartley on page 224 of The Retreat to Commitment: Since (B) is implied by...

  6. #47 – The Retreat to Commitment by W.W. Bartley, Appendix 3

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. *** Retreat to Commitment Retreat to Commitment by Bartley - AbeBooks and Retreat to Commitment: Bartley, III: 9780812691276: Amazon.com: Books Support via Patreon –...

  7. #46 – The Retreat to Commitment by W.W. Bartley, Appendix 2. Part 2

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. *** Retreat to Commitment Retreat to Commitment: Bartley, III: 9780812691276: Amazon.com: Books Support via Patreon – https://www.patreon.com/jedleahenry Support via PayPal –...

  8. #45 – 'The Retreat to Commitment by W.W. Bartley, Appendix 2. Part 1'

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. *** Retreat to Commitment Retreat to Commitment: Bartley, III: 9780812691276: Amazon.com: Books Support via Patreon – https://www.patreon.com/jedleahenry Support via PayPal –...

  9. The Popperian Podcast #44 – 'The Retreat to Commitment by W.W. Bartley, Appendix 1'

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. *** Retreat to Commitment Retreat to Commitment: Bartley, III: 9780812691276: Amazon.com: Books Support via Patreon – https://www.patreon.com/jedleahenry Support via PayPal –...

  10. The Popperian Podcast #43 – 'The Retreat to Commitment by W.W. Bartley, Chapter 8'

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. *** Retreat to Commitment Retreat to Commitment: Bartley, III: 9780812691276: Amazon.com: Books Support via Patreon – https://www.patreon.com/jedleahenry Support via PayPal –...

  11. The Popperian Podcast #42 – 'The Retreat to Commitment by W.W. Bartley, Chapters 6 and 7'

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. *** Retreat to Commitment Retreat to Commitment: Bartley, III: 9780812691276: Amazon.com: Books Support via Patreon – https://www.patreon.com/jedleahenry Support via PayPal –...

  12. The Popperian Podcast #41 – 'The Retreat to Commitment by W.W. Bartley – Pancritical Rationalism, Ch 5, Part 2'

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. *** Retreat to Commitment Retreat to Commitment: Bartley, III: 9780812691276: Amazon.com: Books Support via Patreon – https://www.patreon.com/jedleahenry Support via PayPal –...

  13. The Popperian Podcast #40 – 'The Retreat to Commitment by W.W. Bartley – Pancritical Rationalism, Ch 5, Part 1'

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. *** Retreat to Commitment Retreat to Commitment: Bartley, III: 9780812691276: Amazon.com: Books Support via Patreon – https://www.patreon.com/jedleahenry Support via PayPal –...

  14. The Popperian Podcast #39 – 'The Retreat to Commitment by W.W. Bartley - Chapters 3 and 4'

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. *** Retreat to Commitment Retreat to Commitment: Bartley, III: 9780812691276: Amazon.com: Books Support via Patreon – https://www.patreon.com/jedleahenry Support via PayPal –...

  15. The Popperian Podcast #38 – 'The Retreat to Commitment by W.W. Bartley - Chapters 1 and 2'

    This episode of the Popperian Podcast is part of a series on William Bartley and his book The Retreat to Commitment. *** Retreat to Commitment Retreat to Commitment: Bartley, III: 9780812691276: Amazon.com: Books Support via Patreon – https://www.patreon.com/jedleahenry Support via PayPal –...

  16. The Popperian Podcast #37 – Jagdish Hattiangadi – 'Francis Bacon's Skeptical Recipes for New Knowledge'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Jagdish Hattiangadi. They speak about Jagdish's new book Francis Bacon's Skeptical Recipes for New Knowledge. Francis Bacon's Skeptical Recipes for New Knowledge | SpringerLink and...

  17. The Popperian Podcast #36 – James Kierstead – 'Education for Science and Democracy'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with James Kierstead. They speak about James' most recent article 'Education for science and democracy' (https://www.elgaronline.com/downloadpdf/edcollchap/book/9781802208542/book-part-9781802208542-7.pdf)…

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  18. The Popperian Podcast #35 – David Edmonds – 'Murder in the Vienna Circle'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with David Edmonds. They speak about David's book The Murder of Professor Schlick: The Rise and Fall of the Vienna Circle Amazon.com: The Murder of Professor Schlick: The Rise and Fall of the Vienna Circle:...

  19. The Popperian Podcast #34 – Elliott Sober and Mehmet Elgin – 'Karl Popper's Changing Assessment of Evolutionary Theory'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Elliott Sober and Mehmet Elgin. They speak about Karl Popper's analysis of evolutionary theory, how it changed over time, what he saw in the theory which made it less than scientific, and what he got...

  20. The Popperian Podcast #33 – Flavio Del Santo – 'Karl Popper and the Foundations of Quantum Mechanics'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Flavio Del Santo. They speak about Karl Popper's changing theories about, and proposed experiments for, understanding the foundations of quantum mechanics, from his earliest publications and up until his...

  21. The Popperian Podcast #32 – Seamus O'Mahony – 'Freud and Psychoanalysis - The Story of Science, Pseudoscience and Sex'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Seamus O'Mahony. They speak about Seamus's new book 'The Guru, the Bagman and the Sceptic: A Story of Science, Sex and Psychoanalysis' concerning the intertwined lives of Sigmund Freud, fellow...

  22. The Popperian Podcast #31 – Dmytro Sepetyi – 'The Popper-Bartley Debate'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Dmytro Sepetyi. They speak about the debate between Karl Popper and his former student William Bartley over the irrationalism and fideism that Bartley saw within critical rationalism, and his attempt to...

  23. The Popperian Podcast #30 – Jamie Shaw– 'Paul Feyerabend, Anything Goes'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Jamie Shaw. They speak about the life, the work, and the specifically epistemological anarchism of Paul Feyerabend. Jamie Shaw is a Postdoctoral Fellow at The Institute of Philosophy at Leibniz…

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  24. The Popperian Podcast #29 – Rafe Champion – 'Jacques Barzun'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Rafe Champion. They speak about the life and work of Jacques Barzun. Rafe Champion grew up on a dairy farm in the far northwest of Tasmania and studied Agricultural Science at the University of Tasmania...

  25. The Popperian Podcast #28 – Nicholas Maxwell – 'Our Fundamental Problem'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Nicholas Maxwell. They speak about Maxwell's agreements and disagreements with Popper, the metaphysical assumption that there is a unity of knowledge and the preference within science for unified…

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  26. The Popperian Podcast #27 – Jagdish Hattiangadi – 'The Structure of Problems'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Jagdish Hattiangadi. They speak about the importance of the discovery of problems for science, philosophy, progress and for the growth of all knowledge, the relationship between problems and questions…

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  27. The Popperian Podcast #26 – Michael Munger – 'The Calculus of Consent'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Michael Munger. They speak about James Buchanan and Gordon Tullock's book The Calculus of Consent: Logical Foundations of Constitutional Democracy, and how it is that rational individuals agree to be...

  28. The Popperian Podcast #25 – Donald Gillies – 'The Philosophy of Medical Discovery'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Donald Gillies. They speak about Donald's time at the London School of Economics, his personal and professional experiences with Karl Popper, Imre Lakatos and Paul Feyerabend, the importance of an...

  29. The Popperian Podcast #24 – Nimrod Bar-Am – 'The Life and Philosophy of Joseph Agassi'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Nimrod Bar-Am. They speak about the life of the philosopher Joseph Agassi (1927-2023), where his work continued from and diverged from that of Karl Popper, Agassi's historiography of Science, the…

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  30. The Popperian Podcast #23 – Paul Levinson – 'W.W. Bartley and Pancritical Rationalism'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Paul Levinson. They speak about the philosophy of W.W. Bartley, the history of comprehensive rationalism, Karl Popper's critical rationalism, why Bartley thought that all such theories were inadequate…

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  31. The Popperian Podcast #22 – Elyse Hargreaves – 'The Open Society and Its Enemies, and Happiness'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Elyse Hargreaves. They speak about chapter 10 of Karl Popper's The Open Society and Its Enemies, the nature and often well-meaning origins of totalitarianism, the fall of Athens to Sparta, the betrayal…

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  32. The Popperian Podcast #21 – James Kierstead – 'The Paradox of Tolerance'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with James Kierstead. From The Open Society and Its Enemies, later essays, and private letters, they speak about the meaning behind Karl Popper's 'paradox of tolerance': "Unlimited tolerance must lead to the...

  33. The Popperian Podcast #20 – Susan Blackmore – 'Memes - Rational, Irrational, Anti-Rational'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Susan Blackmore. They speak about her book The Meme Machine, and David Deutsch's anti-rational meme hypothesis from his book The Beginning of Infinity. Susan Blackmore is a psychologist, lecturer and...

  34. The Popperian Podcast #19 – Joseph Agassi – 'Rules of the Game'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Joseph Agassi. They speak about the place for argument and debate, how criticism should and should not look, why so much of this energy is futile and why we have such high hopes for...

  35. The Popperian Podcast #18 – Joseph Agassi – 'Karl Popper's Hopeful Monsters'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Joseph Agassi. They speak about Joseph's background as a student of Karl Popper, his life and his philosophy, his interactions with people such as Imre Lakatos, Paul Feyerabend, John Watkins, and Thomas...

  36. The Popperian Podcast #17 – Rafe Champion – 'Karl Popper's Social Turn'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Rafe Champion. They speak about the social (institutional) theme within Karl Popper's philosophy of science as well as his approach to politics. Popper argued that objectivity in science does not come…

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  37. The Popperian Podcast #16 – Michael Ignatieff – 'Finding Consolation in Truth'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Michael Ignatieff. They speak about Michael's new book On Consolation: Finding Solace in Dark Times, and the important role that truth plays in consolation. Between 2006 and 2011, Michael Ignatieff…

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  38. The Popperian Podcast #15 – Jagdish Hattiangadi – 'Defending Baconian Induction'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Jagdish Hattiangadi. They speak about the induction of Francis Bacon, why Karl Popper and Thomas Kuhn rejected it, how this rejection was based on a misunderstanding/misreading of Bacon, and importantly...

  39. The Popperian Podcast #14 – Anthony O'Hear – 'Whiffs of Induction'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Anthony O'Hear. They speak about Anthony's book 'Karl Popper: The Arguments of the Philosophers', and its central claim that: "Popper's attempt to dispense with induction is unsuccessful. We have found...

  40. The Popperian Podcast #13 – Ken Gemes – 'Karl Popper vs. Friedrich Nietzsche'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Ken Gemes. They speak about the philosophy of Friedrich Nietzsche, how that philosophy intersects and diverges with the philosophy of Karl Popper, what both men got right and what they got wrong, how the...

  41. The Popperian Podcast #12 – Jonathan Rauch – 'The Constitution of Knowledge'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Jonathan Rauch. They speak about Jonathan's books Kindly Inquisitors: The New Attacks on Free Thought and The Constitution of Knowledge: A Defense of Truth, the Popperian influence within them both…

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  42. The Popperian Podcast #11 – David Edmonds – 'Wittgenstein's Poker'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with David Edmonds. They speak about David's book Wittgenstein's Poker: The Story of a Ten-Minute Argument Between Two Great Philosophers. Blurb: "On October 25, 1946, in a crowded room in Cambridge, England,...

  43. The Popperian Podcast #10 – Richard Landes – 'Deutsch's Theory of the Pattern - The Widespread Compulsion to Legitimise Hurting Jews'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Richard Landes. They speak about the history of antisemitism, its unique characteristics and intensity throughout centuries and millennia, the strange ability of ordinary people to uncritically accept...

  44. The Popperian Podcast #9 – Jeremy Shearmur – 'Karl Popper, Friedrich Hayek and the Future of Liberalism'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Jeremy Shearmur. They speak about the time that Jeremy spent working with Karl Popper at the London School of Economics, the seeds of classical liberalism within Popper's epistemology, the role for free...

  45. The Popperian Podcast #8 – James Kierstead – 'New Zealand and the Authoritarianism of Plato'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with James Kierstead. They speak about Karl Popper's work The Open Society and Its Enemies, the years that Popper spent in New Zealand writing this book, what Popper thought about his adopted country…

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  46. The Popperian Podcast #7 – Oseni Taiwo Afisi – 'Karl Popper and Africa'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Oseni Taiwo Afisi. They speak about Karl Popper's book The Open Society and Its Enemies, the ideas and history behind the work, the place for the Open Society and Popper's epistemology within the African...

  47. The Popperian Podcast #6 – Steve Fuller – 'Karl Popper vs. Thomas Kuhn'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Steve Fuller. They speak about Steve's book Kuhn Vs. Popper: The Struggle for the Soul of Science, how Karl Popper and Thomas Kuhn each regarded the scientific method, the differences between these two...

  48. The Popperian Podcast #5 – Maarten Boudry – 'Diagnosing Pseudoscience - Why the Demarcation Problem Matters'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Maarten Boudry. They speak about how we distinguish between science and pseudoscience (otherwise known as the demarcation problem), Karl Popper's famous solution involving falsifiability, why the...

  49. The Popperian Podcast #4 – Robin Attfield – 'Pre-echoes of Popper - Xenophanes and Parmenides'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Robin Attfield. They speak about the life and work of the pre-Socratic philosophers Xenophanes and Parmenides, how Xenophanes in particular has been unjustly disparaged and misunderstood over the years,...

  50. The Popperian Podcast #3 – Nicholas Maxwell – 'More Popperian than Popper'

    This episode of the Popperian Podcast features an interview that Jed Lea-Henry conducted with Nicholas Maxwell. They speak about Karl Popper's scientific method, what Maxwell's disagreements with Popper are, the difference between bare and dressed falsificationism, the problems presented by the...

About this show

Interviewing academics, professionals and other experts, The Popperian Podcast is a monthly podcast where Jed Lea-Henry looks into the philosophy and life of Karl Popper.

Hosted by

Jed Lea-Henry

Frequently asked questions

How many episodes does The Popperian Podcast have?

The Popperian Podcast has 52 episodes on PodParley. The most recent episode was published on September 14, 2025.

What is The Popperian Podcast about?

Interviewing academics, professionals and other experts, The Popperian Podcast is a monthly podcast where Jed Lea-Henry looks into the philosophy and life of Karl Popper.

How often does The Popperian Podcast release new episodes?

The Popperian Podcast publishes monthly, based on its 52 episodes since November 2020.

Who hosts The Popperian Podcast?

The Popperian Podcast is created and hosted by Jed Lea-Henry.
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