 Educated at St. John's Seminary, the University of Toronto and the Pontifical Institute of Mediaeval Studies, Logan has served as Professor Emeritus of History of Emmanuel College since 1993.He is the author of several notable works on the Vikings and religious history.Logan is a Fulbright Scholar, a Guggenheim Fellow, and a fellow of the Pontifical Institute of Mediaeval Studies, the Royal Historical Society and the Society of Antiquaries of London.