Theodor von Lücken (24 April 1914 – 15 November 1986) was an Oberstleutnant in the Wehrmacht during World War II, and one of only 882 recipients of the Knight's Cross of the Iron Cross with Oak Leaves. The Knight's Cross of the Iron Cross and its higher grade Oak Leaves was awarded to recognise extreme battlefield bravery or successful military leadership. Theodor von Lücken was captured by American troops in 1945 and was released later that year.
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 and Swords with the 329th Infanterie-Division. 2 Knight's Cross with Grenadier-Regiment 501, Oak Leaves with Grenadier-Regiment 503. 3 Oak Leaves with Grenadier-Regiment 686 (336th Infanterie-Division). This along with the ? (question mark) indicates doubt regarding the veracity and formal correctness of the listing.