Professor Allen Brent, formerly Professor in History, James Cook University of North Queensland, Australia, now member of the Faculty of Divinity, University of Cambridge and Senior Member of St. Edmund's College. His books include Cultural Episcopacy and Ecumenism (Brill 1992), Hippolytus and the Roman Church in the Third Century (Brill 1995), The Imperial Cult and the Development of Church Order (Brill 1999).