Elie During studied philosophy at the École Normale Supérieure (Paris) and is now Associate Professor and Chair of the Philosophy Department at University of Paris – Ouest Nanterre. His current research focuses on the philosophical implications of the spacetime concept, at the crossroad of several fields: aesthetics, metaphysics, philosophy of science. He contributed to the critical edition of Henri Bergson’s complete works (Durée et Simultanéité [Duration and Simultaneity], PUF, 2009, and Memory of the Present [Le souvenir du present], PUF, 2012). His recent publications include Faux Raccords (Actes Sud, 2010) and Bergson et Einstein: la querelle du temps (forthcoming, PUF, 2012). Elie During is a member of the editorial board of Critique and a series editor of “Métaphysiques” (Presses Universitaires de France).