Marianne Talbot took her first degree at London University, then her B.Phil at Oxford (Corpus Christi College). She has taught for the colleges of Oxford University for 30 years (1987 – 1990 at Pembroke College, 1991 – 2000 at Brasenose College). She has been Director of Studies in Philosophy at OUDCE since 2001. She is the author of Bioethics: An Introduction, and Critical Reasoning: A Romp Through the Foothills of Logic. Marianne’s podcasts have been hugely popular. Two of them have been global number one on iTunesU. One of these (The Nature of Arguments) has been downloaded 7 million times.