Stephane Dufoix is Associate Professor of Sociology at the University of Paris X-Nanterre. He is a member of the Sophiapol (Political sociology, philosophy, and anthropology, Paris-X) and of the Centre d'histoire sociale du XXe siecle, the author of "Politiques d'exil ", and the editor, with Patrick Weil, of "L'Esclavage, la colonisation, et apres . . . France, Etats-Unis, Grande-Bretagne ". He is a junior member of the Institut universitaire de France.