Awarded for his successes as an S-Boat commander. As the captain of S 59 he participated in approximately 85 sorties, during which he sank 6 ships with 30000 GRT and 2 destroyers. Later, as the acting Flottille commander, he sank a further 2 destroyers, 2 large landing craft and shot down an aircraft.
- DÖRR, MANFRED, Die Ritterkreuzträger der Deutschen Wehmacht 1939–1945, Biblio Verlag, Osnabrück, 1996. - Die Ordensträger der Deutschen Wehrmacht (CD), VMD-Verlag GmbH, Osnabrück, 2002
- Fellgiebel W.P., Elite of the Third Reich, The recipients of the Knight's Cross of the Iron Cross 1939-1945: A Reference, Helion & Company Limited, Solihull, 2003, ISBN 1-874622-46-9
- Patzwall K., Scherzer V., Das Deutsche Kreuz 1941-1945, Geschichte und Inhaber Band II, Verlag Klaus D. Patzwall, Norderstedt, 2001, ISBN 3-931533-45-X
- Wehrmacht Awards.com