Eric D. Perl is Professor of Philosophy at Loyola Marymount University in Los Angeles, USA. He is the author of Theophany: The Neoplatonic Philosophy of Dionysius the Areopagite (SUNY Series in Ancient Greek Philosophy, 2007), and Thinking Being: Introduction to Metaphysics in the Classical Tradition (Brill Studies in Platonism, Neoplatonism, and the Platonic Tradition Series, 2014), as well as numerous articles on Plato, Plotinus, and other figures in the Platonic philosophical tradition.