William L Urban is an internationally recognized authority on the history of European warfare. He served as L Morgan Professor of History and International Studies at Monmouth College (Illinois). For several years he was editor of the Journal of Baltic Studies. He has written some two dozen scholarly books including The Teutonic Knights (2003) and Small Wars, and their Influence on the Nation State (2016)
DARIUS BARONAS is a medieval historian and professor at the University of Vilnius, Faculty of History. His chief research interests lie in the study of the Christianization of Lithuania and her relations with neighbouring countries and regions.