An archaeologist specialising in the western part of the Roman Empire. After reading archaeology at London University followed by a doctorate at Oxford he was on the staff of the University of Birmingham becoming Professor of Roman Archaeology. He retired in 2017 and is now Emeritus Professor of Roman Archaeology and remains an active researcher. As well as working in Britain he has conducted field-work in south-western France. Publications include books on Gaul and Spain in late antiquity as well as on Roman Britain. His interests range across the entire Roman period but with an emphasis on the later Roman empire and include architecture, art, epigraphy and numismatics alongside ‘dirt archaeology’.