List of Knight's Cross of the Iron Cross recipients of the U-boat service

Columns: Number | Name | Rank | Unit | Date of award | Notes
15 | Hans Jenisch | Oberleutnant zur See | commander of U-32 | 7 October 1940 | 16 | Victor Oehrn | Kapitänleutnant | commander of U-37 | 21 October 1940 | 17 | Gerd Suhren | Oberleutnant ( Ing . ) | chief engineer on U-37 | 21 October 1940 | 18 | Heinrich Bleichrodt | Kapitänleutnant | commander of U-48 | 24 October 1940 | Awarded 125th Oak Leaves on 23 September 1942 | 19 | Wolfgang Lüth | Oberleutnant zur See | commander of U-138 | 24 October 1940 | Awarded 142nd Oak Leaves 13 November 1942 , 29th Swords on 15 April 1943 and 7th Diamonds on 9 August 1943 | 20 | Reinhard Suhren | Oberleutnant zur See | 1st officer on U-48 | 3 November 1940 | Awarded 56th Oak Leaves on 31 December 1941 and 18th Swords on 1 September 1942

Example questions:
How many total U-boat types were commanded by the commander of the submarine launched in July 1936 , who received the Knight 's Cross of the Iron Cross ? | Which person in the U-boat service who received the Knight 's Cross of the Iron Cross and awarded on 24 October 1940 died more recently ?

Answers:
3 | Heinrich Bleichrodt