In what year was the man under whose command the 1st U-boat Flotilla was founded born?
Karl Dönitz Karl Dönitz (sometimes spelt Doenitz) (] ; 16 September 1891 – 24 December 1980) was a German admiral who played a major role in the naval history of World War II. Dönitz briefly succeeded Adolf Hitler as the head of state of Germany.
Hansjürgen Reinicke Hans-Jürgen "Hansjürgen" Rudolf Reinicke (10 August 1902 – 29 January 1978) was a "Kapitän zur See", commander of heavy cruiser "Prinz Eugen", in Nazi Germany's "Kriegsmarine" during the Second World War and recipient of the Knight's Cross of the Iron Cross.