RICHARD BARBER has had a huge influence on the study of medieval history and literature, as both a writer and a publisher. His first book on the Arthurian legend appeared in 1961, and his major works include The Knight and Chivalry (winner of the Somerset Maugham Award in 1971), Edward Prince of Wales and Aquitaine, The Penguin Guide to Medieval Europe and The Holy Grail: the History of a Legend which was widely praised and was translated into six languages.