Melvyn Bragg and guests discuss the scientific study of life, originated by Aristotle.
Adrian Moore discovers how Aristotle tried to make infinity acceptable to the Greeks.
Nobel Prize-winning chemist Sir Harry Kroto chooses the philosopher Benedict Spinoza.
Melvyn Bragg and guests discuss influential British philosopher Bertrand Russell.
Robin Ince listens back to some of the BBC archive of philosopher Bertrand Russell.
Alan Dein explores Karl Marx's journey from corpse to bronze monolith.
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
Nigel Warburton explores the life and work of Danish philosopher Soren Kierkegaard.
Cartoonist Ralph Steadman and translator Adam Czerniawski discuss the philosopher's life.
Tom Service finds out about the music composed by philosopher Friedrich Nietszche.
Michael Goldfarb tells the story of Dutch philosopher Benedict Spinoza.
Melvyn Bragg and guests discuss the ideas and life of Hannah Arendt, political philosopher
Munira Mirza discusses the life of the influential political philosopher Hannah Arendt.
Andrew Brown explores philosopher David Hume's witty, provocative career as a historian.
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.
Matthew Parris and Max Mosley celebrate the life of John Stuart Mill.
A Jamaican rebellion rouses Victorian liberals against state violence. With Anne McElvoy.
Jules Evans explores what ancient philosophy can tell modern society about well-being.
Melvyn Bragg and guests discuss the difference between right and wrong, according to Kant.