Few commanders symbolize the evolution of the German U-boat arm during the Second World War as does Adalbert "Adi" Schnee. In 1940, Schnee successively commanded three Type II U-boats--U-6, U-60 and U-121-- in which he registered his first successes in the Atlantic. From the beginning of 1941, he was appointed commander of U-201, the first Type VIIC U-boat allotted to I Flotilla. During seven patrols with this U-Boot, which would take him to the coasts...