John J. Cleary is Professor of Philosophy at Boston College and Associate Professor of Philosophy at NUI Maynooth (Ireland). He has published extensively on ancient philosophy, including a monograph on Aristotle and Mathematics (Leiden, 1995).Gary M. Gurtler, S.J., is Associate Professor of Philosophy at Boston College. He has published on ancient philosophy, with special attention to Neoplatonism, including a book on Plotinus: The Experience of Unity (Bern, 1988).Contributors include: David Charles, Álvaro Vallejo, Daniel Russell, Rachana Kamtekar, Priscilla Sakezles, Helen Lang, Harvey Yunis, Heike Sefrin-Weis, Victor Caston, Rachel Singpurwalla,Tim Roche, Martha Nussbaum, Joel Martinez, Silvia Carli, Adam Beresford, and Daniel Devereux