Bart Schultz is Fellow and Lecturer in the Humanities Division and Humanities Collegiate Division, and Special Programs Coordinator in the Graham School of General Studies, at the University of Chicago. He is also the winner of the Jacques Barzun Prize in Cultural History, in recognition of his book Henry Sidgwick - The Eye of the Universe: An Intellectual Biography (Cambridge University Press, 2004). Georgios Varouxakis is Senior Lecturer in the History Department of Queen Mary, University of London.