William Carr William Carr was Professor of History at the University of Sheffield, UK. A former Chairman of the German History Society, Professor Carr authored numerous books on German history, including Arms, Autarky and Aggression: Study in German Forign Policy, 1933-39 (1972), Hitler: A Study in Personality and Politics (1986) and The Origins of the Wars of German Unification (1991). The 4th edition of his classic textbook, A History of Germany 1815-1990, was published in 1991. Read More Read Less