Please answer the following question: What type of details about felix przedwojewski  can be gathered from the following bio?  Bio: felix przedwojewski -lrb- 7 december 1920 -- 15 june 1986 -rrb- was an unterscharführer in the waffen ss during world war ii who was awarded the knight 's cross of the iron cross . the knight 's cross was awarded to recognize extreme battlefield bravery or successful military leadership by nazi germany during world war ii . unterscharführer felix przedwojewski was a sturmgeschütz commander in 2nd battery , 3rd ss sturmgeschütz battalion `` totenkopf '' , when he was awarded the knight 's cross after his 45th kill , in december 1943 .
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