Context : Albin Wolf (28 October 1920 -- 2 April 1944) was a German World War II Luftwaffe flying ace and posthumous recipient of the coveted Knight's Cross of the Iron Cross with Oak Leaves (Ritterkreuz des Eisernen Kreuzes mit Eichenlaub). 
Subject : Albin Wolf 
Relation : conflict
What war or battle did Albin Wolf fight in?