Rudolf Bäcker (21 February 1914 – 3 September 2005) was a highly decorated Sanitäts-Feldwebel in the Wehrmacht 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.
Fellgiebel, Walther-Peer (2000). Die Träger des Ritterkreuzes des Eisernen Kreuzes 1939-1945. Friedburg, Germany: Podzun-Pallas. ISBN 3-7909-0284-5.
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.
1 Oak Leaves with the 68th Infantry Division. This along with the ? (question mark) indicates doubt regarding the veracity and formal correctness of the listing.