Contributors: Lourdes Arizpe, Éric Baratay, Maeva Bac, Catherine Briat, Jean-Marc Dupuy, Jean-Pierre Marguénaud, Olivier Vigneaux and the students of École polytechnique fédérale in Lausanne and Université Paris-Panthéon-Assas. Cahiers de l’Art faber are part of the “Actes Sud/Art faber” collection, co-edited by Actes Sud and Lab. Arts & Entreprises de EDMP/Université Paris-Panthéon-Assas. This work has been published thanks to the support of the University Chair, Professor Stéphane Braconnier.