en-us Sat, 22 Mar 2008 04:32:04 -0400 http://downloads.bbc.co.uk/podcasts/radio4/iot/iot_20080207-1128.mp3 Melvyn Bragg discusses the varying perceptions of the social contract theory - including the ideas of Hobbes, Locke and Rousseau - with his guests Melissa Lane, Senior University Lecturer in History at Cambridge University; Susan James, Professor of Philosophy at Birkbeck College, University of London and Karen O’Brien, Professor of English Literature at the University of Warwick. Sun, 30 Mar 2008 08:56:50 -0400 http://downloads.bbc.co.uk/podcasts/radio4/iot/iot_20080207-1128.mp3 1025354 http://downloads.bbc.co.uk/podcasts/radio4/iot/iot_20080320-1130.mp3 Melvyn Bragg discusses the rich and radical ideas of the 19th century Danish philosopher, Soren Kierkegaard, with John Lippitt, Professor of Ethics and Philosophy of Religion at the University of Hertfordshire; Clare Carlisle, Lecturer in Philosophy at the University of Liverpool; and Jonathan Ree, Visiting Professor at Roehampton University and at the Royal College of Art. Sun, 30 Mar 2008 08:56:21 -0400 http://downloads.bbc.co.uk/podcasts/radio4/iot/iot_20080320-1130.mp3 1093149