Professor Martin Biddle is an Emeritus Fellow of Hertford College, Oxford, and Honorary Fellow of Pembroke College, Cambridge. He was the first Lecturer in Medieval Archaeology in England, at the University of Exeter (1963-67) and has held many other distinguished academic positions worldwide. He is the Founder and Director of the Winchester Excavations Committee (1962-present) and the Winchester Research Unit (1968-present). Professor Biddle is also Chairman of the Fabric Advisory Committee (FAC) for Winchester Cathedral, Archaeological Consultant for St Albans Cathedral, and former Archaeological Consultant for Canterbury Cathedral. u SIMON HAYFIELD is an experienced draughtsman who trained as a technical illustrator in the 1970s. He has spent most of his career working as a freelance artist, but has also worked at several top Midland advertising agencies, and lectured part time at the Birmingham College of Art. A love of history led him to archaeological illustration, in which he has worked with a number of senior scholars producing artist's impressions, finds drawings, elevations and plans for publication. Simon Hayfield began his career in archaeological illustration working with the Winchester Research Unit in 1975 and continues to work with the Unit to this day preparing illustrations for volumes in the series of 'Winchester Studies'.