Rudolf Cleve (22 July 1919 – 30 October 1997) was a highly decorated Hauptmann in the Luftwaffe during World War II. He was also a recipient of the Knight's Cross of the Iron Cross. The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership. Rudolf Cleve was captured by British troops in May 1945 and was released in August 1945.
Scherzer, Veit (2007). Ritterkreuzträger 1939–1945 Die Inhaber des Ritterkreuzes des Eisernen Kreuzes 1939 von Heer, Luftwaffe, Kriegsmarine, Waffen-SS, Volkssturm sowie mit Deutschland verbündeter Streitkräfte nach den Unterlagen des Bundesarchives (in German). Jena, Germany: Scherzers Miltaer-Verlag. ISBN 978-3-938845-17-2.