Alexander Callander Murray is a member of the Department of History and Centre for Medieval Studies, University of Toronto, where he teaches at the Erindale Campus. He is author of "Germanic Kinship Structure: Studies in Law and Society in Antiquity and the Early Middle Ages" (1983), editor of "After Rome's Fall: Narrators and Sources of Early Medieval History" (1998), and has written articles on Merovingian administration and office-holding, and on the dating of "Beowulf".