Karl Dönitz

Karl Dönitz (16 September 1891 – 24 December 1980) was a German naval commander during World War II. He started his career in the German Navy (Kaiserliche Marine, or "Imperial Navy") during World War I. In 1918, while he was in command of UB-68, the submarine was sunk by British forces and Dönitz was taken prisoner. While in a prisoner of war camp, he formulated what he later called Rudeltaktik ("pack tactic", commonly called "wolfpack"). At the start of World …