Didier Fassin (MD, University of Paris; PhD, Social Sciences, EHESS; Habilitation, Public Health, University of Paris; Habilitation, Social Sciences, EHESS) is the James Wolfensohn Professor of Social Science at the Institute foe Advanced Study and Director of Studies at the Ecole des Hautes Etudes en Sciences Sociales. He is the author of When Bodies Remember: Politics and Experience of AIDS in South Africa (California, 2007), Humanitarian Reason: A Moral History of the Present (California,