Portrait of Lord Melvyn Bragg, host of In Our Time

Ontologists

In metaphysics, ontology is the philosophical study of being, as well as related concepts such as existence, becoming, and reality. Ontology addresses questions of how entities are grouped into categories and which of these entities exist on the most fundamental level.

20 episodes

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CulturePhilosophyFellows of the Royal SocietySocial philosophersPhilosophy writersFellows of the American Academy of Arts and SciencesPhilosophers of literaturePhilosophers of mindTheorists on Western civilizationPhilosophers of historyWriters about activism and social changeMetaphysiciansPhilosophers of culturePhilosophers of religionPhilosophers of scienceEnlightenment philosophersMembers of the American Philosophical SocietyEpistemologistsAphoristsCritics of the Catholic ChurchEnglish essayistsWriters about religion and scienceAge of EnlightenmentAtheist philosophersEnglish male non-fiction writersGerman male non-fiction writersPhilosophers of educationPhilosophers of lawPhilosophers of social science18th-century philosophers19th-century German male writers19th-century German philosophers20th-century atheistsChristian humanistsForeign associates of the National Academy of SciencesJewish philosophersMetaphilosophersNobel laureates in LiteraturePantheistsPhilosophers of economicsPhilosophers of mathematicsWriters from Paris17th-century English male writersAristotelian philosophersBritish male essayistsEnglish people of Scottish descentExistentialistsFrench atheistsGerman LutheransGerman male essayistsGerman philosophers of historyGerman political philosophersHonorary members of the Saint Petersburg Academy of SciencesLogiciansMembers of the Royal Netherlands Academy of Arts and SciencesNatural law ethicistsNatural philosophersPhilosophers of logicPhilosophers of lovePhilosophers of psychologyPhilosophers of sexualityUniversity of Paris alumni19th-century atheists20th-century French philosophersChristian radicalsCritics of work and the work ethicEmpiricistsFrench political philosophersGerman philosophers of artGerman philosophers of cultureIslamic philosophersLiteracy and society theoristsPhilosophers of artPhilosophers of languagePolitical philosophers17th-century English writers19th-century German essayists19th-century pseudonymous writers20th-century essayistsAlumni of St John's College, CambridgeAnalytic philosophersAnti-consumeristsChristian ethicistsCritics of religionsEnglish agnosticsGerman philosophers of education, German ethicistsJewish agnosticsMembers of the Académie FrançaisePeople celebrated in the Lutheran liturgical calendarPhilosophers of technologySimple living advocatesTheoretical historiansVirtue ethicists17th-century writers in Latin18th-century German male writers19th-century male writers20th-century French novelistsAncient Greek philosophers of mindAnti-nationalistsBritish critics of religionsBritish philosophers of educationChristian poetsEnglish Nobel laureatesEnglish socialistsFrench philosophers of educationFrench philosophers of historyFrench philosophers of scienceGerman philosophers of languageGerman philosophers of scienceHumboldt University of Berlin alumniIrony theoristsJewish socialistsLegion of Honour refusalsLeipzig University alumniMarxist theoristsMembers of the Order of MeritMembers of the Prussian Academy of SciencesMetaphysics writersPhilosophers of deathPhilosophers of warPolitical realistsRationalistsRecipients of the Pour le Mérite (civil class)Rhetoric theoristsUniversity of Göttingen alumniWriters about globalization17th-century English philosophers18th-century German philosophers, 18th-century essayists19th-century German male musicians19th-century German non-fiction writers19th-century German writers20th-century British philosophers20th-century English philosophersAlumni of the University of EdinburghAncient Greek political philosophersBritish ethicistsBritish philosophers of mindBritish political philosophersClassical humanistsClassical theismCritical theoristsCritics of JudaismCritics of atheismDeist philosophersEnglish people of Welsh descentEnglish physicistsEnglish political philosophersEuropean democratic socialistsFellows of the British AcademyFreethought writersFrench Nobel laureatesFrench literary criticsFrench male non-fiction writersFrench philosophers of culture, French sociologistsFrench socialistsGerman Marxist writersGerman critics of ChristianityGerman philosophers of mind, German philosophers of religionLibertarian socialistsMembers of the American Academy of Arts and LettersPhenomenologistsPhilosophers of pessimismUtilitariansÉcole Normale Supérieure alumni18th-century British essayists18th-century British philosophers18th-century German writers19th-century American philosophers19th-century English essayists19th-century English philosophers19th-century German historians19th-century German novelists19th-century deaths from tuberculosis19th-century essayists19th-century non-fiction writers from the Russian Empire20th-century British essayists20th-century English mathematicians5th-century BC Greek philosophers6th-century BC Greek philosophersAcademic staff of the Humboldt University of BerlinAlchemists of the medieval Islamic worldAlumni of Trinity College, CambridgeAmerican philosophers of religionAnarchist writersAncient Athenian philosophersAncient Greek ethicists, Ancient Greek epistemologistsAncient Greek metaphysiciansAncient Greek physicistsAttic Greek writersBisexual male writersBlind writersBritish consciousness researchers and theoristsBritish free speech activistsBritish historians of philosophyBritish philosophers of languageBurials at Highgate CemeteryBurials at Montparnasse CemeteryCambridge University Moral Sciences ClubConsequentialistsConservatismCorresponding members of the Saint Petersburg Academy of SciencesCourt physiciansCriticism of rationalismCritics of ChristianityCritics of deismDeterministsEnglish logiciansEnglish political writersFellows of Trinity College, CambridgeFrench Resistance membersFrench anarchists, French anti-fascists, French anti-capitalistsFrench communistsFrench epistemologistsFrench philosophers of artGeorgistsGerman agnosticsGerman epistemologistsGerman idealistsGerman nationalistsGerman revolutionariesGrand Cross of the Legion of HonourHumor researchersIdealistsIntellectual historyJerusalem Prize recipientsJewish atheistsKnights BachelorLecturersLinguistic turnLycée Condorcet alumniLycée Henri-IV alumniMembers of the Serbian Academy of Sciences and ArtsPamphleteersPeople associated with the University of BaselPeople from the Province of SaxonyPeople of the Age of EnlightenmentPeople with post-traumatic stress disorderPhilosophers of linguisticsPhilosophers of timePresidents of the Aristotelian SocietySocialist feministsStateless peopleWittgensteinian philosophers12th-century Muslim theologians19th-century American writers19th-century English mathematicians19th-century German journalists19th-century Prussian people19th-century short story writers from the Russian Empire, 20th-century Russian short story writers, Russian opinion journalists, Philanthropists from the Russian Empire, Novelists from the Russian Empire, 20th-century Russian dramatists and playwrights, Russian-language writers, Russian male novelists, Russian male dramatists and playwrights, 19th-century dramatists and playwrights from the Russian Empire20th-century American philosophers20th-century British non-fiction writers20th-century French male writers20th-century French memoirists20th-century letter writers9th-century philosophersAcademic staff of the Collège de FranceAcademics of the London School of Economics, British philosophers of scienceAction theoristsAmerican philosophers of science, American philosophers of mindAncient Greek logiciansAncient Greek slaves and freedmenAncient Greeks from the Achaemenid EmpireAnti-imperialistsAnti-natalistsArabic-language commentators on AristotleAstronomers of the medieval Islamic worldAustro-Hungarian military personnel of World War I, Austrian people of Jewish descentBaruch SpinozaBertrand Russell Professors of PhilosophyBisexual military personnelBritish atheism activistsBritish critics of ChristianityBritish male non-fiction writersBritish philosophers of logicBritish philosophers of religionBritish social liberalsChristian vegetariansContinental philosophersCorresponding fellows of the British AcademyCritics of MarxismCritics of political economyDeaths from pneumonia in GermanyEconomic historians, German sociologistsEnglish anti-fascistsEnglish humanistsEnglish pacifists, British philosophers of cultureEnglish prisoners and detaineesEnglish scepticsEnglish theologiansEpigrammatists of the Greek AnthologyExistentialist theologiansFellows of the Royal Society of ArtsFree love advocatesFrench Marxists, French anti-war activistsFrench essayistsFrench ethicists, French biographersFrench humanists, 20th-century French dramatists and playwrightsFrench scientists with disabilitiesGerman anti-capitalists, Jewish communists, German socialist feministsGerman eugenicistsGerman logicians, Kantian philosophersGerman monarchistsGerman music criticsGerman philologistsGerman writers on atheismIranian logicians, Iranian ethicistsJewish ethicistsJewish historiansJewish translators of the BibleKantianismLGBTQ mathematicians, LGBTQ philosophersLinguists from FranceMaterialistsMedieval Iranian pharmacologists, Transoxanian Islamic scholarsMembers of the International Workingmen's AssociationMembers of the Order of the Companions of HonourMoral realistsMusic theorists of the medieval Islamic worldNaturalised citizens of the United Kingdom, Austrian agnostics, British people of Austrian-Jewish descent, Austrian essayists, Writers from Vienna, British logicians, 20th-century Austrian philosophers, Austrian logicians, British agnosticsNonviolence advocates, Christian anarchistsOrdinary language philosophyPeople from Córdoba, SpainPeople from MonmouthshirePeople of the Scottish EnlightenmentPhilosophers from al-AndalusPhilosophers of identityPhilosophers of nihilismPhilosophical anthropologyPlatonismPsychologists of religionPupils of SocratesRecipients of the Austrian Decoration for Science and ArtRussian anarchistsRussian male journalistsScholars of antisemitismSecular humanistsSet theoristsSkeptic philosophersThe New School facultyThomas HobbesUniversal basic income writersUniversity of Bonn alumniUniversity of California, Los Angeles facultyUniversity of Chicago faculty, Intellectual historiansUniversity of Copenhagen alumniUniversity of Jena alumniWilliam JamesWriters about communism
  1. Al-Kindi

    Melvyn Bragg and his guests discuss the life and work of Al-Kindi, often described as the first philosopher in the Arabic tradition.

    28 June 2012

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    Featuring: Hugh Kennedy, James Montgomery, Amira Bennison

     
  2. Averroes

    Melvyn Bragg discusses the philosopher Averroes who worked to reconcile the theology of Islam with the rationality of Aristotle, achieving both fame and infamy.

    5 October 2006

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    Featuring: Amira Bennison, Peter Adamson, Anthony Kenny

     
  3. Avicenna

    Melvyn Bragg and guests discuss Avicenna, among the most important philosophers in the history of Islam.

    8 November 2007

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    Featuring: Peter Adamson, Amira Bennison, Nader El-Bizri

     
  4. Bertrand Russell

    Melvyn Bragg and his guests discuss the influential 20th-century British thinker Bertrand Russell, widely regarded as one of the founders of Analytical philosophy.

    6 December 2012

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    Featuring: A. C. Grayling, Mike Beaney, Hilary Greaves

     
    PhilosophyFellows of the Royal SocietyOntologistsPhilosophers of literatureTheorists on Western civilizationWriters about activism and social changePhilosophers of historyCritics of the Catholic ChurchWriters about religion and scienceEnglish essayistsAtheist philosophersEnglish male non-fiction writersPhilosophers of lawPhilosophers of social sciencePhilosophers of mathematics20th-century atheistsMetaphilosophersPhilosophers of economicsNobel laureates in LiteratureAristotelian philosophersPhilosophers of loveLogiciansPhilosophers of sexualityEnglish people of Scottish descent19th-century atheistsEmpiricistsCritics of work and the work ethicAnalytic philosophersEnglish agnosticsPhilosophers of technologyAnti-nationalistsMembers of the Order of MeritBritish critics of religionsRhetoric theoristsEnglish Nobel laureatesEnglish socialistsMetaphysics writersWriters about globalizationBritish philosophers of education20th-century English philosophersEuropean democratic socialistsBritish philosophers of mindEnglish people of Welsh descentBritish ethicistsUtilitariansEnglish political philosophersFreethought writersBritish political philosophersBritish philosophers of languagePresidents of the Aristotelian SocietyBritish historians of philosophy20th-century English mathematiciansEnglish logicians19th-century English philosophersJerusalem Prize recipientsGeorgists19th-century English essayistsAlumni of Trinity College, CambridgeBritish consciousness researchers and theoristsConsequentialistsEnglish political writersFellows of Trinity College, CambridgeBritish free speech activistsLinguistic turnUniversity of California, Los Angeles facultySet theoristsEnglish humanistsBritish atheism activistsUniversal basic income writersEnglish anti-fascistsWriters about communismPeople from Monmouthshire19th-century English mathematiciansBritish critics of ChristianityEnglish prisoners and detaineesEnglish scepticsFree love advocatesBritish philosophers of logicBritish philosophers of religionSecular humanistsUniversity of Chicago faculty, Intellectual historiansAcademics of the London School of Economics, British philosophers of scienceEnglish pacifists, British philosophers of culture
  5. David Hume

    Melvyn Bragg and his guests discuss the work of David Hume, the philosopher and leading figure of the Scottish Enlightenment.

    6 October 2011

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    Featuring: Peter Millican, Helen Beebee, James Harris

     
  6. Heraclitus

    Melvyn Bragg and his guests discuss the ancient Greek thinker Heraclitus, immortalised by later scholars as the Weeping Philosopher.

    8 December 2011

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    Featuring: Angie Hobbs, Peter Adamson, James Warren

     
  7. Hobbes

    Melvyn Bragg discusses Thomas Hobbes, the great 17th century philosopher who famously said that ungoverned man lived a life that was ‘solitary, poor, brutish and short’.

    1 December 2005

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    Featuring: Quentin Skinner, David Wootton, Annabel Brett

     
  8. Kant's Copernican Revolution

    Melvyn Bragg and guests discuss Kant's ideas on how the world depends on us, on the limits of human knowledge and why we are bound to ask questions we cannot answer.

    3 June 2021

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    Featuring: Fiona Hughes, Anil Gomes, John Callanan

     
  9. Kierkegaard

    Melvyn Bragg and guests discuss the rich and radical ideas of Soren Kierkegaard, often called the father of Existentialism.

    20 March 2008

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    Featuring: Jonathan Rée, Clare Carlisle, John Lippitt

     
  10. Lévi-Strauss

    Melvyn Bragg and his guests discuss the work of French anthropologist Claude Levi-Strauss.

    23 May 2013

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    Featuring: Adam Kuper, Christina Howells, Vincent Debaene

     
  11. Marx

    Melvyn Bragg discusses Karl Marx who once said that while other philosophers wanted to interpret the world, he wanted to change it. And he changed the world with his Communist Manifesto.

    14 July 2005

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    Featuring: A. C. Grayling, Francis Wheen, Gareth Stedman Jones

     
  12. Nietzsche's Genealogy of Morality

    Melvyn Bragg and guests discuss Nietzsche's influential ideas about what it means to be moral.

    12 January 2017

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    Featuring: Stephen Mulhall, Fiona Hughes, Keith Ansell-Pearson

     
  13. Plato's Gorgias

    Melvyn Bragg and guests discuss arguably the most personal of Plato's dialogues in which he examines the values that led to the execution of his mentor Socrates by drinking hemlock

    25 November 2021

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    Featuring: Angie Hobbs, Frisbee Sheffield, Fiona Leigh

     
  14. Popper

    Melvyn Bragg discusses the philosopher Karl Popper, author of The Open Society and a seminal thinker about science.

    8 February 2007

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    Featuring: John Worrall, Anthony O'Hear, Nancy Cartwright

     
    PhilosophySocial philosophersOntologistsTheorists on Western civilizationPhilosophers of mindWriters about activism and social changePhilosophers of historyPhilosophers of religionMetaphysiciansPhilosophers of cultureEpistemologistsWriters about religion and sciencePhilosophers of mathematicsForeign associates of the National Academy of SciencesJewish philosophersPhilosophers of economicsAristotelian philosophersLogiciansBritish male essayistsPhilosophers of logicPolitical philosophersJewish agnosticsPhilosophers of technologyCritics of religionsRationalistsRecipients of the Pour le Mérite (civil class)Metaphysics writersWriters about globalizationBritish philosophers of educationFellows of the British Academy20th-century British philosophersBritish ethicistsBritish political philosophersCambridge University Moral Sciences ClubPresidents of the Aristotelian SocietyBritish historians of philosophyKnights BachelorBritish consciousness researchers and theorists20th-century British essayistsRecipients of the Austrian Decoration for Science and ArtCritics of MarxismBritish male non-fiction writersJewish ethicistsBritish social liberalsMembers of the Order of the Companions of HonourAcademics of the London School of Economics, British philosophers of scienceNaturalised citizens of the United Kingdom, Austrian agnostics, British people of Austrian-Jewish descent, Austrian essayists, Writers from Vienna, British logicians, 20th-century Austrian philosophers, Austrian logicians, British agnostics
  15. Sartre

    Melvyn Bragg discusses the life and works of French novelist, playwright and philosopher Jean-Paul Sartre.

    7 October 2004

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    Featuring: Jonathan Rée, Benedict O'Donohoe, Christina Howells

     
  16. Schopenhauer

    Melvyn Bragg and guests discuss the pessimistic philosophy of Arthur Schopenhauer and his extraordinary influence.

    29 October 2009

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    Featuring: A. C. Grayling, Beatrice Han-Pile, Christopher Janaway

     
  17. Spinoza

    Melvyn Bragg discusses the philosopher Spinoza whose profound and complex ideas about God had him celebrated as an atheist in the 18th century.

    3 May 2007

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    Featuring: Jonathan Rée, Sarah Hutton, John Cottingham

     
  18. Tolstoy

    Melvyn Bragg discusses the life and times of the 19th century Russian writer Leo Tolstoy, whose novels such as War and Peace gave expression to the compelling moral and social questions of their day.

    25 April 2002

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    Featuring: A. N. Wilson, Catriona Kelly, Sarah Hudspith

     
  19. William James's The Varieties of Religious Experience

    Melvyn Bragg and guests Jonathan Ree, John Haldane and Gwen Griffith-Dickson discuss The Varieties of Religious Experience by William James.

    13 May 2010

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    Featuring: Jonathan Rée, John Haldane, Gwen Griffith-Dickson

     
  20. Wittgenstein

    Melvyn Bragg discusses how Ludwig Wittgenstein, one of the greatest philosophers of the modern age has influenced contemporary culture with his ideas on language.

    4 December 2003

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    Featuring: Ray Monk, Barry Smith, Marie McGinn