Melvyn Bragg and his guests discuss the medieval Islamic thinker Al-Ghazali.
Melvyn Bragg and guests discuss the scientific study of life, originated by Aristotle.
Adrian Moore explores the idea of infinity through history
Melvyn Bragg and guests discuss the 12th century Islamic philosopher, Averroes.
Melvyn Bragg discusses the Persian Islamic philosopher Avicenna.
The Russian-born writer whose influence is most evident in her adopted home of the USA.
Neuropsychologist Paul Broks looks at the idea of leading a good life by being selfish.
Melvyn Bragg and guests discuss the Jacobean thinker Francis Bacon and Baconian Science.
The philosopher heads back to her Winchester birthplace, home to her single mother of five
Baroness Mary Warnock curates the festival of her wildest dreams.
Nobel Prize-winning chemist Sir Harry Kroto chooses the philosopher Benedict Spinoza.
Melvyn Bragg and guests discuss Henri Bergson's ideas about our experience of time passing
Melvyn Bragg and guests discuss influential British philosopher Bertrand Russell.
Robin Ince listens back to some of the BBC archive of philosopher Bertrand Russell.
Melvyn Bragg and his guests discuss the 18th-century philosopher George Berkeley.
Bertrand Russell considers the roles of state control in a progressive society.
Statistician David Spiegelhalter champions the short, brilliant life of Frank Ramsey.
Philip Ball goes back to the 17th century to tell the story of Descartes' 'daughter'.
Dr Geoff Bunn on Descartes' contribution to our understanding of the brain
Nigel Warburton explores the life and work of Danish philosopher Soren Kierkegaard.
James Naughtie profiles the haunting artist of suffering, pain and death.
Cartoonist Ralph Steadman and translator Adam Czerniawski discuss the philosopher's life.
Tom Service finds out about the music composed by philosopher Friedrich Nietszche.
Theologian Giles Fraser on Wittgenstein and Blade Runner
Michael Goldfarb tells the story of Dutch philosopher Benedict Spinoza.
Melvyn Bragg and his guests discuss the ancient Greek philosopher Heraclitus.
Historian Justin Champion on 17th-century polymath Francis Bacon.
Melvyn Bragg and guests discuss the great 17th century philosopher Thomas Hobbes.
Bertrand Russell argues for personal morality over tribal customs to guide conduct.
The great clash that occurred between Newton and Leibniz over the discovery of calculus.