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.
21 episodes
Episodes in this category also belong to the following categories:
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
Featuring: Hugh Kennedy, James Montgomery, Amira Bennison
PhilosophyMusic theorists of the medieval Islamic worldAlchemists of the medieval Islamic worldPhilosophers of religionPhilosophers of logicMetaphysics writersIslamic philosophersAstronomers of the medieval Islamic worldAristotelian philosophersEpistemologistsPhilosophers of educationPhilosophers of artIntellectual historyPhilosophers of psychologyMetaphysiciansPhilosophers of mathematics9th-century philosophersPhilosophers of scienceArabic-language commentators on AristotleOntologists9th centuryAstronomyIslamLanguageMathematicsMedicinePsychologyAverroes
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
Featuring: Amira Bennison, Peter Adamson, Anthony Kenny
PhilosophyPhilosophers from al-AndalusPeople from Córdoba, SpainPhilosophers of culturePhilosophers of mindPhilosophers of religionCritics of deismPhilosophers of logicPhilosophers of languageCritics of atheismIslamic philosophersAristotelian philosophersEpistemologistsPhilosophers of psychology12th-century Muslim theologiansPolitical philosophersCritics of ChristianityPhilosophers of sciencePhilosophers of historyLogiciansArabic-language commentators on AristotleOntologistsSocial philosophersPhilosophers of literature12th centuryIslamLanguagePsychologyTheologyAvicenna
Melvyn Bragg and guests discuss Avicenna, among the most important philosophers in the history of Islam.
8 November 2007
Featuring: Peter Adamson, Amira Bennison, Nader El-Bizri
PhilosophyPhilosophers of logicLogiciansClassical humanistsCritics of atheismPhilosophers of psychologyIslamic philosophersMusic theorists of the medieval Islamic worldMedieval Iranian pharmacologists, Transoxanian Islamic scholarsPhilosophers of mindPhilosophers of mathematicsAlchemists of the medieval Islamic worldCourt physiciansIranian ethicists, Iranian logiciansAristotelian philosophersEpistemologistsOntologistsPhilosophers of sciencePhilosophers of religionIslamMathematicsMedicinePsychologyBertrand 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
Featuring: A. C. Grayling, Mike Beaney, Hilary Greaves
PhilosophyBritish free speech activistsBritish historians of philosophyEnglish logiciansUniversal basic income writersEuropean democratic socialistsMetaphysics writersMembers of the Order of MeritEnglish anti-fascists19th-century atheistsBritish philosophers of educationEmpiricistsEnglish humanistsFree love advocatesGeorgistsBritish critics of religionsEnglish Nobel laureatesNobel laureates in LiteratureTheorists on Western civilizationBritish political philosophersPhilosophers of social scienceEnglish people of Scottish descentEnglish socialistsEnglish male non-fiction writersConsequentialistsFellows of the Royal SocietyLinguistic turnPhilosophers of sexualityRhetoric theoristsMetaphilosophersPhilosophers of loveEnglish political philosophersCritics of work and the work ethicEnglish people of Welsh descent20th-century atheists20th-century English mathematiciansPresidents of the Aristotelian SocietyUtilitariansBritish atheism activistsWriters about communismLogicians19th-century English essayistsSecular humanistsPhilosophers of economicsIntellectual historians, University of Chicago facultyOntologistsEnglish scepticsFreethought writersCritics of the Catholic Church19th-century English philosophersBritish critics of ChristianityPeople from MonmouthshireAristotelian philosophersJerusalem Prize recipientsPhilosophers of lawEnglish prisoners and detaineesBritish philosophers of languageSet theoristsPhilosophers of technologyBritish consciousness researchers and theoristsPhilosophers of mathematicsBritish philosophers of mind20th-century English philosophers19th-century English mathematiciansAnti-nationalistsPhilosophers of literatureEnglish agnosticsBritish philosophers of culture, English pacifistsWriters about globalizationWriters about religion and scienceFellows of Trinity College, CambridgeEnglish essayistsAnalytic philosophersAcademics of the London School of Economics, British philosophers of scienceWriters about activism and social changeAlumni of Trinity College, CambridgePhilosophers of historyBritish philosophers of religionBritish ethicistsAtheist philosophersUniversity of California, Los Angeles facultyBritish philosophers of logicEnglish political writers19th century20th centuryEconomicsLanguageMathematicsDavid Hume
Melvyn Bragg and his guests discuss the work of David Hume, the philosopher and leading figure of the Scottish Enlightenment.
6 October 2011
Featuring: Peter Millican, Helen Beebee, James Harris
PhilosophyCritics of the Catholic ChurchPhilosophers of mind18th-century British essayistsWriters about religion and scienceVirtue ethicistsMetaphilosophersPhilosophers of religionBritish male essayistsPhilosophers of logicCriticism of rationalismWriters about activism and social changeAlumni of the University of EdinburghEpistemologistsPhilosophy writersPhilosophers of artBritish philosophers of educationPhilosophers of psychology18th-century British philosophersEmpiricistsPhilosophers of identityBritish consciousness researchers and theoristsBritish critics of religionsPhilosophers of mathematicsDeist philosophersTheorists on Western civilizationPhilosophers of sciencePhilosophers of historySkeptic philosophersPeople of the Scottish EnlightenmentPhilosophers of social scienceConservatismSecular humanistsPhilosophers of economicsEnlightenment philosophersAction theoristsSocial philosophersBritish male non-fiction writersOntologistsFreethought writers18th centuryEconomicsMathematicsPsychologyScotlandHeraclitus
Melvyn Bragg and his guests discuss the ancient Greek thinker Heraclitus, immortalised by later scholars as the Weeping Philosopher.
8 December 2011
Featuring: Angie Hobbs, Peter Adamson, James Warren
PhilosophyAncient Greek philosophers of mindAncient Greek physicists5th-century BC Greek philosophersPhilosophers of timeNatural philosophers6th-century BC Greek philosophersAncient Greek metaphysiciansAncient Greek political philosophersAncient Greeks from the Achaemenid EmpirePhilosophers of religionOntologistsAncient Greek epistemologists, Ancient Greek ethicists5th century BC6th century BCGreeceMedicinePersiaHobbes
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
Featuring: Quentin Skinner, David Wootton, Annabel Brett
PhilosophyCritics of the Catholic ChurchPhilosophers of culture17th-century writers in LatinPhilosophers of mind17th-century English writersRhetoric theoristsPhilosophers of religionMaterialistsEnglish political philosophersPhilosophers of languageBritish critics of ChristianityPolitical realistsEpistemologistsBritish philosophers of educationPhilosophers of lawEmpiricistsMetaphysiciansBritish critics of religionsPhilosophers of mathematics17th-century English male writersAlumni of St John's College, CambridgeTheorists on Western civilizationPhilosophers of sciencePhilosophers of historyThomas HobbesSocial philosophersNatural law ethicistsEnglish theologians17th-century English philosophersEnglish physicistsOntologists17th centuryLanguageMathematicsMedicineTheologyKant'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
Featuring: Fiona Hughes, Anil Gomes, John Callanan
Philosophy18th-century German male writersGerman logicians, Kantian philosophers19th-century German non-fiction writersHumor researchersGerman LutheransPhilosophers of sexualityWriters about religion and scienceGerman nationalistsMetaphilosophersGerman philosophers of historyGerman male non-fiction writers19th-century Prussian peoplePhilosophers of logicGerman idealistsGerman agnostics18th-century philosophersNatural philosophersWriters about activism and social changeMembers of the Prussian Academy of SciencesPhilosophy writers18th-century German writersGerman political philosophersKantianismPhilosophers of lawGerman philosophers of culture18th-century German philosophers, 18th-century essayistsLecturersGerman ethicists, German philosophers of educationGerman philosophers of science19th-century German philosophersTheoretical historiansTheorists on Western civilizationRationalistsGerman philosophers of mind, German philosophers of religionGerman epistemologistsLogiciansIdealistsPhilosophers of social science19th-century German essayists19th-century German male writersGerman male essayistsEnlightenment philosophersOntologistsNatural law ethicistsPhilosophers of warPeople of the Age of EnlightenmentAge of EnlightenmentPhilosophers of literatureGerman philosophers of art18th century19th centuryGermanyKierkegaard
Melvyn Bragg and guests discuss the rich and radical ideas of Soren Kierkegaard, often called the father of Existentialism.
20 March 2008
Featuring: Jonathan Rée, Clare Carlisle, John Lippitt
PhilosophyChristian humanistsPhilosophers of cultureExistentialist theologiansPhilosophers of mindMetaphilosophersPhilosophers of lovePhilosophers of religion19th-century male writers19th-century pseudonymous writersChristian poetsEpistemologistsChristian ethicistsPhilosophy writersPhilosophers of artChristian radicalsPhilosophers of psychologyIrony theorists19th-century essayistsMetaphysiciansPeople celebrated in the Lutheran liturgical calendarUniversity of Copenhagen alumni19th-century deaths from tuberculosisPhilosophers of deathOntologistsSocial philosophersAphoristsExistentialistsPhilosophers of literature19th centuryMedicinePsychologyTheologyLévi-Strauss
Melvyn Bragg and his guests discuss the work of French anthropologist Claude Levi-Strauss.
23 May 2013
Featuring: Adam Kuper, Christina Howells, Vincent Debaene
CultureAcademic staff of the Collège de FranceFrench sociologistsLycée Condorcet alumniFrench philosophers of educationThe New School facultyJewish atheistsPhilosophers of mindWriters about globalizationWriters about religion and scienceFrench essayistsMetaphilosophersPhilosophers of religionLiteracy and society theoristsUniversity of Paris alumniCorresponding fellows of the British AcademyPhilosophers of languageFrench male non-fiction writersMetaphysics writersGrand Cross of the Legion of HonourPhilosophers of linguisticsFrench philosophers of scienceMembers of the Royal Netherlands Academy of Arts and SciencesWriters about activism and social change20th-century atheists20th-century French philosophersIntellectual historyMembers of the Académie FrançaiseJewish historiansCritical theoristsMetaphysicians20th-century French male writersFrench philosophers of historyWriters about communismTheorists on Western civilizationJewish philosophersWriters from ParisFrench epistemologistsAtheist philosophersPhilosophers of social scienceForeign associates of the National Academy of Sciences20th-century French memoiristsMembers of the American Philosophical SocietyPhenomenologistsLinguists from France20th-century essayistsFrench atheistsOntologistsFrench philosophers of culture20th centuryFranceLanguageMedicineMarx
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
Featuring: A. C. Grayling, Francis Wheen, Gareth Stedman Jones
PhilosophyGerman writers on atheismPhilosophers of cultureUniversity of Bonn alumniPhilosophers of mindCritics of political economyWriters about globalizationWriters about religion and sciencePhilosophers of religionSocialist feministsMaterialistsGerman male non-fiction writersCritics of work and the work ethicEconomic historians, German sociologistsFellows of the Royal Society of ArtsPhilosophical anthropologyGerman Marxist writersMarxist theoristsWriters about activism and social change19th-century atheistsEpistemologistsPhilosophers of educationGerman political philosophersStateless peopleCritics of religionsPhilosophers of lawAnti-consumeristsMetaphysiciansJewish socialistsPhilosophers of technologyHumboldt University of Berlin alumniUniversity of Jena alumniAnti-imperialists19th-century German philosophersTheorists on Western civilizationPhilosophers of sciencePhilosophers of historyCritics of JudaismBurials at Highgate Cemetery19th-century German historiansAtheist philosophersMembers of the International Workingmen's AssociationPhilosophers of economicsGerman anti-capitalists, German socialist feminists, Jewish communistsSocial philosophersPamphleteersGerman revolutionariesAnti-nationalistsOntologists19th centuryEconomicsGermanyMedicineMaurice Merleau-Ponty
Melvyn Bragg and guests discuss the insights of this French philosopher into the relationship between mind and body, the role of language in thought and the value of habits
27 March 2025
Featuring: Komarine Romdenh-Romluc, Thomas Baldwin, Timothy Mooney
PhilosophyAcademic staff of the Collège de FranceFrench magazine foundersFrench philosophers of educationFrench socialistsUniversity of Paris alumniFrench male non-fiction writersFrench philosophers of scienceFormer Roman CatholicsMarxist theoristsÉcole Normale Supérieure alumni20th-century French philosophersFrench political philosophersPhilosophers of psychologyAcademic staff of the University of ParisBurials at Père Lachaise CemeteryFrench philosophers of artFrench humanistsLycée Louis-le-Grand alumniEnactive cognitionOntologistsAction theoristsPhenomenologistsExistentialistsFrench epistemologistsFrench philosophers of culture20th centuryFrancePsychologyNietzsche's Genealogy of Morality
Melvyn Bragg and guests discuss Nietzsche's influential ideas about what it means to be moral.
12 January 2017
Featuring: Stephen Mulhall, Fiona Hughes, Keith Ansell-Pearson
PhilosophyCritics of the Catholic Church19th-century German male musicians19th-century German journalistsPhilosophers of timeUniversity of Bonn alumni19th-century German non-fiction writersPhilosophers of sexualityWriters about religion and scienceMetaphilosophersGerman philosophers of historyGerman male non-fiction writersCritics of work and the work ethicGerman critics of Christianity19th-century Prussian peopleGerman music criticsWriters about activism and social changeStateless peoplePhilosophy writersIrony theoristsDeterministsPhilosophers of psychology19th-century German novelistsPeople from the Province of SaxonyCritics of religionsCritical theoristsAnti-consumeristsMetaphysiciansGerman philosophers of culturePeople associated with the University of BaselGerman military personnel of the Franco-Prussian WarGerman ethicists, German philosophers of education19th-century German philosophersTheorists on Western civilizationDeaths from pneumonia in GermanyGerman philosophers of mind, German philosophers of religionGerman epistemologistsPhilosophers of nihilismLeipzig University alumniPhilosophers of social science19th-century German male writersGerman male essayistsOntologistsAphoristsExistentialistsAnti-nationalistsPhilosophers of literatureGerman philosophers of art19th centuryGermanyMedicineMusicPsychologyWarPlato'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
Featuring: Angie Hobbs, Frisbee Sheffield, Fiona Leigh
PhilosophyMoral realistsAncient Greek metaphysiciansAncient Greek political philosophersPhilosophers of loveAncient Greek epistemologists, Ancient Greek ethicistsClassical theismAncient Greek physicistsNatural philosophersAncient Greek slaves and freedmenEpigrammatists of the Greek AnthologyPhilosophers of educationAttic Greek writersPupils of SocratesAncient Greek philosophers of mindAncient Greek logiciansTheorists on Western civilizationRationalistsLogiciansIdealistsPlatonismPhilosophers of deathNatural law ethicistsAncient Athenian philosophersOntologistsGreeceMedicinePopper
Melvyn Bragg discusses the philosopher Karl Popper, author of The Open Society and a seminal thinker about science.
8 February 2007
Featuring: John Worrall, Anthony O'Hear, Nancy Cartwright
PhilosophyUniversity of Vienna alumniPhilosophers of culturePhilosophers of mindWriters about globalizationJewish ethicistsWriters about religion and scienceBritish historians of philosophyPhilosophers of religionBritish male non-fiction writersBritish male essayistsPhilosophers of logicKnights BachelorAcademics of the London School of Economics, British philosophers of scienceMetaphysics writers20th-century British essayists20th-century Austrian philosophers, Austrian agnostics, Austrian essayists, Austrian logicians, British agnostics, British logicians, British people of Austrian-Jewish descent, Naturalised citizens of the United KingdomWriters about activism and social changeAristotelian philosophersEpistemologistsBritish philosophers of educationPresidents of the Aristotelian SocietyCritics of religionsMetaphysiciansPolitical philosophersRecipients of the Austrian Decoration for Science and ArtWriters from ViennaPhilosophers of technologyFellows of the British AcademyBritish consciousness researchers and theoristsPhilosophers of mathematics20th-century British philosophersTheorists on Western civilizationPhilosophers of historyJewish philosophersRationalistsBritish social liberalsBritish ethicistsLogiciansBritish political philosophersForeign associates of the National Academy of SciencesPhilosophers of economicsJewish agnosticsMembers of the Order of the Companions of HonourSocial philosophersCritics of MarxismCambridge University Moral Sciences ClubRecipients of the Pour le Mérite (civil class)Ontologists20th centuryEconomicsMathematicsMedicineSartre
Melvyn Bragg discusses the life and works of French novelist, playwright and philosopher Jean-Paul Sartre.
7 October 2004
Featuring: Jonathan Rée, Benedict O'Donohoe, Christina Howells
PhilosophyScholars of antisemitismFrench sociologists20th-century French dramatists and playwrightsFrench magazine foundersFrench philosophers of educationFrench literary criticsFrench socialistsFrench biographers, French ethicistsPhilosophers of mindPhilosophers of sexualityLegion of Honour refusalsFrench philosophers of scienceLycée Henri-IV alumni20th-century atheistsÉcole Normale Supérieure alumniFrench anarchists, French anti-capitalists, French anti-fascists20th-century French philosophersPhilosophy writersFrench political philosophersCritical theoristsMetaphysiciansBurials at Montparnasse CemeteryFrench communistsBlind writersFree love advocatesFrench philosophers of art20th-century French novelistsFrench philosophers of historyFrench Resistance membersContinental philosophersNobel laureates in LiteratureFrench humanistsFellows of the American Academy of Arts and SciencesFrench Nobel laureatesFrench scientists with disabilitiesTheorists on Western civilizationFrench Marxists, French anti-war activistsLycée Louis-le-Grand alumniWriters from ParisPhilosophers of nihilismFrench epistemologistsAtheist philosophersPhilosophers of social scienceLibertarian socialistsPhilosophers of deathOntologistsPhenomenologistsAphoristsExistentialistsPhilosophers of literatureFrench philosophers of cultureFrench atheists20th centuryFranceMedicineSchopenhauer
Melvyn Bragg and guests discuss the pessimistic philosophy of Arthur Schopenhauer and his extraordinary influence.
29 October 2009
Featuring: A. C. Grayling, Beatrice Han-Pile, Christopher Janaway
PhilosophyGerman writers on atheismGerman logicians, Kantian philosophersUniversity of Göttingen alumniGerman philosophers of languageGerman philologistsMetaphilosophersPhilosophers of loveGerman philosophers of historyGerman male non-fiction writersPhilosophers of pessimismPhilosophers of logicGerman critics of ChristianityGerman idealistsSimple living advocatesAcademic staff of the Humboldt University of Berlin19th-century atheistsPhilosophy writersGerman political philosophersPhilosophers of psychologyCritics of religionsCritical theoristsGerman eugenicistsGerman philosophers of culture19th-century German writersAnti-natalistsGerman monarchistsGerman ethicists, German philosophers of educationGerman philosophers of science19th-century German philosophersTheorists on Western civilizationGerman philosophers of mind, German philosophers of religionCritics of JudaismGerman epistemologistsLogiciansAtheist philosophers19th-century German essayists19th-century German male writersGerman male essayistsOntologistsPhenomenologistsAphoristsPhilosophers of literatureGerman philosophers of art19th centuryGermanyLanguagePsychologySpinoza
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
Featuring: Jonathan Rée, Sarah Hutton, John Cottingham
PhilosophyCritics of the Catholic ChurchPhilosophers of culture17th-century writers in LatinPhilosophers of mindMetaphilosophersPhilosophers of religionJewish translators of the BibleBaruch SpinozaEpistemologistsPhilosophy writersPhilosophers of educationDeterministsMetaphysiciansJewish philosophersPhilosophers of scienceRationalistsPhilosophers of historyCritics of JudaismEnlightenment philosophersSocial philosophersPeople of the Age of EnlightenmentPantheistsAge of EnlightenmentOntologists17th century18th centuryMedicineTolstoy
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
Featuring: A. N. Wilson, Catriona Kelly, Sarah Hudspith
Philosophers of cultureRussian anarchistsPhilosophers of mindPhilosophers of religion19th-century dramatists and playwrights from the Russian Empire, 19th-century short story writers from the Russian Empire, 20th-century Russian dramatists and playwrights, 20th-century Russian short story writers, Novelists from the Russian Empire, Philanthropists from the Russian Empire, Russian male dramatists and playwrights, Russian male novelists, Russian opinion journalists, Russian-language writersAnarchist writersRussian male journalistsChristian vegetariansWriters about activism and social changeCorresponding members of the Saint Petersburg Academy of SciencesEpistemologistsPhilosophers of education19th-century essayistsMetaphysiciansPolitical philosophersHonorary members of the Saint Petersburg Academy of SciencesGeorgistsPhilosophers of history19th-century non-fiction writers from the Russian EmpireOntologistsSocial philosophersChristian anarchists, Nonviolence advocates20th-century letter writers20th-century essayistsMembers of the Serbian Academy of Sciences and ArtsPhilosophers of literature19th century20th centuryLanguageMedicineRussiaWilliam 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
Featuring: Jonathan Rée, John Haldane, Gwen Griffith-Dickson
Philosophy19th-century American philosophersCorresponding fellows of the British AcademyAnalytic philosophersMembers of the American Academy of Arts and LettersWilliam JamesPsychologists of religionAmerican philosophers of religion20th-century American philosophersPhilosophers of deathAmerican philosophers of mind, American philosophers of sciencePhilosophers of war19th-century American writersExistentialistsOntologistsPhilosophers of history19th century20th centuryAmericaPsychologyWittgenstein
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
Featuring: Ray Monk, Barry Smith, Marie McGinn
PhilosophyPhilosophers of cultureOrdinary language philosophyPhilosophers of mindMetaphilosophersFellows of Trinity College, CambridgeBritish male essayistsPhilosophers of logicPhilosophers of languageAnalytic philosophersPeople with post-traumatic stress disorder20th-century British essayists20th-century Austrian philosophers, Austrian agnostics, Austrian essayists, Austrian logicians, British agnostics, British logicians, British people of Austrian-Jewish descent, Naturalised citizens of the United KingdomBertrand Russell Professors of PhilosophyAlumni of Trinity College, Cambridge20th-century British non-fiction writersEpistemologistsPhilosophy writersPhilosophers of artMetaphysiciansWriters from ViennaPhilosophers of mathematicsAustro-Hungarian military personnel of World War I20th-century British philosophersTheorists on Western civilizationJewish philosophersBisexual military personnelBisexual male writersAustrian people of Jewish descentLGBTQ mathematicians, LGBTQ philosophersPhilosophers of social scienceWittgensteinian philosophersJewish agnosticsSocial philosophersCambridge University Moral Sciences ClubOntologistsLinguistic turn20th centuryLanguageMathematicsMedicineWar