Von Rundstedt's military career was a turbulent one. A Prussian aristocrat and member of the General Staff in World War I, he helped to modernize the German armed forces before policy disagreements led to his premature retirement in 1938. Frequently sacked and reinstated, von Rundstedt was a controversial figure. He was recalled to take part in the Blitzkrieg campaigns of 1939-41 and was responsible for the land element of Sealion, the planned invasion...