Cyril Lemieux is a sociologist and Senior Research Fellow at the School for Advanced Studies in the Social Sciences in Paris. Laurent Berger is an anthropologist and Lecturer at the School for Advanced Studies in the Social Sciences. Marielle Mace is a specialist in literature, Senior Research Fellow at the French National Center for Scientific Research, and Director of Studies at the School for Advanced Studies in the Social Sciences. Gildas Salmon is a philosopher and Lecturer at the French National Center for Scientific Research. Cecile Vidal is an anthropologist and Senior Research Fellow at the Institute for Research and Development.