Peter Garnsey is Emeritus Professor of the History of Classical Antiquity and a Fellow of Jesus College, University of Cambridge. His publications include "Social Status and Legal Privilege in the Roman Empire; Famine and Food Supply in the Graeco-Roman World; Ideas of Slavery from Aristotle to Augustine; Cities, Peasants and Food; Food and Society in Classical Antiquity;" and "Thinking about Property: From Antiquity to the Age of Revolution."Richard Saller is Dean of the School of Humanities and Sciences at Stanford University. He is the author of "Personal Patronage under the Early Empire" a...