Stephen Mitchell is Leverhulme Professor of Hellenistic Culture at the University of Exeter. Previous books include A History of the Later Roman Empire AD 284–641 (2007) and, more recently, The Imperial Temple at Ankara and the Res Gestae of the Emperor Augustus. A Historical Guide (2008).
Peter Van Nuffelen is Research Professor of Ancient History at the University of Ghent. He has published numerous articles on aspects of the ancient and medieval worlds, and has recently edited Faces of Hellenism (2009), and co-edited (with Stephen Mitchell) Monotheism Between Christians and Pagans in Late Antiquity (2009).