Shaun Tougher is Professor of Late Roman and Byzantine History at Cardiff University. He has a BA from Queen’s University Belfast and a PhD from the University of St Andrews. He works especially on dynastic history (primarily the Constantinian and Macedonian dynasties) and on gender and society (notably eunuchs, but also imperial women and questions of masculinity). His publications include The Reign of Leo VI (886-912) (Leiden, 1997), Julian the Apostate (Edinburgh, 2007), The Eunuch in Byzantine History and Society (London and New York, 2008), and The Roman Castrati: Eunuchs in the Roman Empire (London and New York, 2021). Richard Evans taught at the University of South Africa and Cardiff University. In recent years he has been Honorary Research Fellow in the Department of Biblical and Ancient Studies, University of South Africa. His research interests have encompassed much of the political and military history of Greece, the Roman Republic and especially Syracuse. He has also published on the histories of Sybaris, Asia Minor and Pergamum, and the works of Diodorus Siculus and Herodotus. Recent publications include: Ancient Syracuse: From Foundation to Fourth Century Collapse (Routledge, 2016) and A History of Pergamum: Beyond Hellenistic Kingship (Bloomsbury, 2012).