Pierre Hadot (1922–2010) was Professor Emeritus at the Collège de France, where he held the Chair of the History of Hellenistic and Roman Thought. Most of his major works have been translated into English, including Philosophy as a Way of Life (1995), What is Ancient Philosophy? (2004), and The Veil of Isis (2004).
Arnold I. Davidson is Robert O. Anderson Distinguished Service Professor at the University of Chicago and Professor of the History of Political Philosophy at the University of Pisa. He has written widely on contemporary French philosophy, is the English language series editor of Michel Foucault's courses at the Collège de France, and is the author of The Emergence of Sexuality (2001).
Jeannie Carlier is Professor at the École des Hautes Études en Sciences Sociales. She has published essays on philosophy and religious practices in late antiquity and is a specialist in Neoplatonism.