Katherine Morris has been a Lecturer in philosophy at Mansfield College, Oxford University since 1986 and a fellow since 1998; she holds an MPhil in medical anthropology as well as a DPhil in philosophy. The author of numerous articles on Sartre, Merleau-Ponty, Descartes and Wittgenstein, she is also the co-author of Descartes’ Dualism (1996) with G.P. Baker.