Martin Henig lectured on Roman Art in the University of Oxford for many years, where he was latterly a Supernumerary Fellow of Wolfson College. He is the author of many books and articles on Roman gems and on the art and culture of Roman Britain. Martin serves as an Anglican priest in the Diocese of Oxford.Nigel Ramsay is Honorary Senior Research Associate in the Department of History at University College London. He has written on medieval and Tudor legal history, religious history (especially monasticism), art history and heraldry.