Hans Jenisch was born on 19 October 1913, and entered the Reichsmarine in 1933. He was assigned to U 35 as a watch officer in summer 1937, with the rank of Leutnant zur See.

The signature of Hans Jenisch in September 1937.

He became a watch officer on U 32 in 1938, and took command of U 32 on 12 February 1940. He became a prisoner of war on 30 October 1940.

In the Gravenhurst POW camp, from left: Gerhard Stamer (U 35), Heinz Erchen (U 35), Hermann Beckmann (U 27), Albert Schrader (U 35), Werner Lott (U 35), Johannes Franz (U 27), Schilling (L.I. U 33), Hans Jenisch (U 32), Jonny Roters (U 35), Johannes Becker (U 33), Anton Thimm (LI, U 32), Fritz Erbshäuser (U 32), [unknown]. [76] The dog on the left was named "Hexe" (witch) and belonged to Jonny Roters; the dog on the right was named "Flaps" and belonged to Becker. [33]

Hans Jenisch joined the Bundesmarine in 1956, retiring in 1972 at the rank of Kapitän zur See. He passed away on 29 April 1982.