Alan C. Bowen, Ph.D. (1977: Philosophy, University of Toronto), is Director of the Institute for Research in Classical Philosophy and Science. He has published numerous books and articles in the history of ancient Greek and Roman science and philosophy.Francesca Rochberg , Ph.D. (1980: Near Eastern Languages and Civilizations, University of Chicago) is Catherine and William L. MagistrettiDistinguished Professor of Near Eastern Studies at the University of California, Berkeley. She has published widely in the history of Babylonian celestial divination, astrology, and astronomy.Contributors are:Siam Bhayro, Alan C. Bowen, Lis Brack-Bernsen, Giuseppe Cambiano, Nicola F. Denzey-Lewis, Dennis W. Duke, James C. Evans, Klaus Geus, Gerd Grasshoff, Dorian G. Greenbaum, Robert Hannah, Stephan Heilen, Wolfgang Hübner, Hermann Hunger, Helen Jacobus, Richard L. Kremer, Alexandra von Lieven, Stamatina Mastorakou, Clemency Montelle, Mathieu Ossendrijver, Tracey E. Rhill, Francesca Rochberg, Micah T. Ross, Alfred Schmid, Nathan C. Sidoli, Anthony Spalinger, Glen Van Brumelen, James C. Vanderkam, James Wilberding, Christian Wilder