Question: 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 ?

text: List of Knight's Cross of the Iron Cross recipients of the U-boat service
Recipients -- Knight 's Cross of the Iron Cross
The Knight 's Cross of the Iron Cross is based on the enactment Reichsgesetzblatt I S. 1573 of 1 September 1939 Verordnung über die Erneuerung des Eisernen Kreuzes ( Regulation of the renewing of the Iron Cross ) .
The Knight's Cross of the Iron Cross (German: Ritterkreuz des Eisernen Kreuzes) and its variants was the highest award in the military of the Third Reich. Recipients are grouped by grades of the Knight's Cross. During or shortly after World War II, 145 German sailors and officers of the U-boat service as part of the Kriegsmarine received the Knight's Cross of the Iron Cross. Among them, 29 officers received the Knight's Cross of the Iron Cross with Oak Leaves (Ritterkreuz des Eisernen Kreuzes mit Eichenlaub), five the Knight's Cross of the Iron Cross with Oak Leaves and Swords (Ritterkreuz des Eisernen Kreuzes mit Eichenlaub und Schwertern), and two won the Knight's Cross of the Iron Cross with Oak Leaves Swords and Diamonds (Ritterkreuz des Eisernen Kreuzes mit Eichenlaub, Schwertern und Brillanten). Of these, 144 presentations were formally made and one recipient received the award after 11 May 1945, when Großadmiral Karl Dönitz ordered a cease of all promotions and illegalized all subsequent awards. The final recipient is therefore considered to have received the medal without legal authority.
Number Name Rank Unit Date of award Notes
1 Günther Prien Kapitänleutnant commander of U-47 18 October 1939 Awarded 5th Oak Leaves on 20 October 1940
2 Herbert Schultze Kapitänleutnant commander of U-48 1 March 1940 Awarded 15th Oak Leaves on 12 June 1941
3 Karl Dönitz Konteradmiral commander in chief of U-boat operations Befehlshaber der U-Boote 21 April 1940 Awarded 223rd Oak Leaves on 6 April 1943
4 Werner Hartmann Korvettenkapitän commander of U-37 9 May 1940 Awarded 645th Oak Leaves on 5 November 1944
5 Otto Schuhart Kapitänleutnant commander of U-29 16 May 1940
6 Wilhelm Rollmann Kapitänleutnant commander of U-34 31 July 1940 killed in action 5 November 1943
7 Otto Kretschmer Kapitänleutnant commander of U-99 4 August 1940 Awarded 6th Oak Leaves on 4 November 1940 and 5 . Swords on 26 December 1941
8 Heinrich Liebe Kapitänleutnant commander of U-38 14 August 1940 Awarded 13th Oak Leaves on 10 June 1941
9 Fritz-Julius Lemp Kapitänleutnant commander of U-30 14 August 1940 killed in action 9 May 1941
10 Hans-Rudolf Rösing Korvettenkapitän chief of the 7 . Unterseebootsflottille and commander of U-48 29 August 1940
11 Fritz Frauenheim Kapitänleutnant commander of U-101 29 August 1940
12 Engelbert Endrass Oberleutnant zur See commander of U-46 5 September 1940 Awarded 14th Oak Leaves on 10 June 1941
13 Günter Kuhnke Kapitänleutnant commander of U-28 19 September 1940
14 Joachim Schepke Kapitänleutnant commander of U-100 24 September 1940 Awarded 7th Oak Leaves on 1 December 1940
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