Christopher Kelly is a historian and classicist. He read classics and law at the University of Sydney in Australia before taking his doctorate at Trinity College, Cambridge. He stayed at Cambridge and is now a Fellow of Corpus Christi College, and was for five years its Senior Tutor. In 2006 he was awarded a Leverhulme Trust Major Research Fellowship. His previous books include Ruling the Later Roman Empire (Harvard, 2004) and The Roman Empire: A Very Short Introduction (Oxford, 2006).