Lloyd P. Gerson is professor of philosophy at the University of Toronto. He is the author or editor of some 20 books and approximately 200 articles and reviews, mainly in ancient philosophy. He works especially on Plato, Aristotle, and Plotinus. He has also translated woks of Aristotle (with H. G. Apostle), Hellenistic philosophy (with Brad Inwood), and Neoplatonic philosophy (with John Dillon). Among his authored works are God and Greek Philosophy (Routledge, 1990), Plotinus. (Arguments of the Philosophers Series. Routledge, 1994), Knowing Persons. A Study in Plato (Oxford, 2004), Aristotle and Other Platonists (Cornell, 2005), Ancient Epistemology (Cambridge, 2009).