One of the most extraordinary obscurities of World War II is Germany's team of top field generals. They have conquered most of Europe, but very few people could have been blamed for not recognizing their names when Adolf Hitler praised them last week for their work in Russia: Field Marshals Karl Rudolf Gerd von Rundstedt, Fedor von Bock, Wilhelm Joseph Franz Ritter von Leeb.
These three have been a team ever since 1935, when the Nazi Party reorganized the Reichswehr and divided the country into three Group Commands. Rundstedt held Group I (based on Berlin), Leeb held II (Cassel), and Bock held...