Professor Colin Morris (b. 1928) was Professor of Medieval History, University of Southampton, 1969-1992. His many publications include The Papal Monarchy: The Western Church from 1050 to 1250 (in the Oxford University Press 'History of the Christian Church' series). Dr Peter Roberts is Senior Lecturer in History at the University of Kent, Canterbury. He has acted as co-editor for Religion, Culture and Society in Early Modern Britain: Essays in Honour of Patrick Collinson (Cambridge, 1994), Christopher Marlowe and English Renaissance Culture (Scolar/Ashgate, 1996), and British Consciousness and Identity: The Making of Britain, 1533-1707 (Cambridge, 1998).