Anne McElvoy revisits the innovative ideas of the Scottish philosopher Adam Smith.
Why was the bust of a blind, vegetarian, medieval poet the casualty of Syria's modern war?
Michael Berkeley's guest is philosopher Angie Hobbs.
Author Iris Murdoch has a complex reputation thanks to her husband's memoirs.
Melvyn Bragg and guests discuss the scientific study of life, originated by Aristotle.
Adrian Moore explores the idea of infinity through history
Science fiction author Arthur C. Clarke talks about his admiration for Stapledon
Melvyn Bragg and guests discuss the 12th century Islamic philosopher, Averroes.
Melvyn Bragg discusses the Persian Islamic philosopher Avicenna.
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 his guests discuss the life and work of Benjamin Franklin.
Melvyn Bragg and guests discuss influential British philosopher Bertrand Russell.
Robin Ince listens back to some of the BBC archive of philosopher Bertrand Russell.
Only humans know they will die. Catharine Edwards on the Stoic philosopher Seneca
Neil Macgregor tells the story of a Chinese bronze bell from the age of Confucius
Spence reflects on China's most enduring thinker, Confucius.
Melvyn Bragg and guests examine the chinese philosophy of Confucianism.
The smiling philosopher who is perhaps the most famous Chinese person in history.
Bertrand Russell considers the roles of state control in a progressive society.
Daniel Dennett talks to Jim Al-Khalili about the evolution of the human brain.
Melvyn Bragg and his guests discuss the work of the Scottish philosopher David Hume.
Allan Little profiles the philosopher David Hume, born in 1711.
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
Is a free market the best foundation for a fair, dynamic society?
Nigel Warburton explores the life and work of Danish philosopher Soren Kierkegaard.
James Naughtie profiles the haunting artist of suffering, pain and death.