On the tricentenary of Jean-Jacques Rousseau, Benjamen Walker and guests explore the legacy of the Swiss-born French philosopher

Benjamen Walker and guests explore the legacy of Plato's Republic

Benjamen Walker explores situationism and the legacy of French philosopher Guy Debord's famous phrase

What did Nietzsche mean by the death of God? Benjamen Walker and guests explore the legacy of the German philosopher's statement

Philosopher Avital Ronell and novelist Tom McCarthy are among those joining Benjamen Walker to discuss the legacy of 'the Derrida of the digital age'

Economist Andrew Simms and Guardian columnist Madeleine Bunting are among those joining Benjamen Walker to discuss the legacy of Schumacher's 'Buddhist economics'

Philosopher John Gray and Guardian columnist Polly Toynbee are among those joining Benjamen Walker to consider the legacy of Smith's much-abused phrase

In the second of a series of philosophy podcasts, Benjamen Walker and guests consider the impact and legacy of Hannah Arendt's famous phrase

In the first of a series of philosophy podcasts, Benjamen Walker and guests discuss the communication theorist Marshall McLuhan and his most famous line

Every month, a group of academics, columnists and philosophers dissect a phrase that's become an intellectual cliche in order to analyse its true meaning. The Big Ideas podcast starts on 21 July 2011