Benjamin Morison is Associate Professor of Philosophy at Princeton University. He studied for his BA, BPhil, and DPhil at the University of Oxford, and was a Post-doctoral Fellow of the British Academy from 1997 to 2000. From 2001 to 2009 he was the Michael Cohen Fellow and Tutor in Philosophy at Exeter College, Oxford. He is the author of On Location: Aristotle's Concept of Place (OUP, 2002), and a contributor to the Cambridge Companion to Galen (CUP, 2008). Katerina Ierodiakonou is Associate Professor of Ancient Greek Philosophy at the National and Kapodistrian University of Athens. Previously, she was a Tutorial Fellow at St Hugh's College, Oxford. She earned her PhD at the London School of Economics and was a Post-Doctoral Fellow of the British Academy from 1990 to 1993. She has published numerous articles on ancient and Byzantine philosophy and has edited many volumes in both areas.

new and important contributions to a set of ongoing debates, mostly but not exclusively concerning ancient epistemology

• KNOWLEDGE; LOGIC AND METAPHYSICS; ETHICS AND POLITICS