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Heinrich Boigk ( 30 October 1912 – 28 March 2003 ) was a Leutnant der Reserves 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 .
 Heinrich Boigk, Wehrmacht
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
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Answer:
 Heinrich Boigk, Wehrmacht