Paul-André Rosental is a researcher at the Ecole des Hautes Etudes en Sciences Sociales. He is also affiliated to the Ined. He is the founder and the manager of the Esopp team, devoted to the social and political history of population. He published L’intelligence démographique. Sciences et politiques des populations en France (1930-1960), Paris, Odile Jacob, 2003, and La Santé au travail (1880-2006), La Découverte, coll. Repères, 2006 (en collab.).