Karl Dönitz
Karl Dönitz ( ; 16 September 1891 – 24 December 1980) was a German naval leader. He commanded the German Navy (Kriegsmarine) during the second half of World War II. Dönitz was also President of Germany for 23 days after Adolf Hitler's suicide. For his role in World War II, Dönitz was referred to as "der Löwe" (the Lion).