David Lapoujade is a French philosopher and a professor at the Université Paris-I Panthéon-Sorbonne. In addition to editing the posthumous collections of Deleuze’s writings Letters and Other Texts, Desert Islands, and Two Regimes of Madness, he is the author of Aberrant Movements: The Philosophy of Gilles Deleuze (all published by Semiotext(e)). He has also written on pragmatism and the work of William James.