Joh Dillon is Regius Professor of Greek (Emeritus) at Trinity College Dublin. His numerous publications include The Middle Platonists (1977), The Heirs of Plato (2003), Salt and Olives: Morality and Custom in Ancient Greece (2004), (with Sarah Klitenic Wear) Dionysius the Areopagite and the Neoplatonist Tradition: Despoiling the Hellenes (2007) and The Roots of Platonism: The Origins and Chief Features of a Philosophical Tradition (Cambridge, 2019). In addition he edited (with A. A. Long) The Question of 'Eclecticism: Studies in Later Greek Philosophy (1988) and translated Alcinous, The Handbook of Platonism (1993). He received a Gold Medal from the Royal Irish Academy in 2005.