Jonathan ShepardJonathan Shepard was Lecturer in History at the University of Cambridge. He is the author of books including The Emergence of Rus (1996) with S. Franklin, editor of The Cambridge History of the Byzantine Empire (2008) and co-editor of Byzantine Diploacy (1992) with S. Franklin, Byzantium and the Viking World (2016) with F. Androshchuk and M. White, Imperial Spheres and the Adriatic (2018) with M. Ančić and T. Vedris, and Viking-Age Trade: Silver, Slaves and Gotland (2020) with J. Gruszczyński and M. Jankowiak. Read More Read Less