EntityQ5550713· pop 5· linked from 63 articlesGerhard KöppenSign in to saveGerman fighter ace and Knight's Cross recipient (1918-1942)ConnectionsKnight's Cross of the Iron CrossEntityJagdgeschwader 52EntityRussiaCountryBerlinEntityAdolf HitlerPersonWorld War IIConceptKyivEntityBucharestEntityBlack SeaEntityCrimeaEntityNazi GermanyConceptInternational Standard Book NumberEntityRostov-on-DonEntitySea of AzovEntityGerman EmpireEntityDnieperEntitySimferopolEntityConstanțaEntityPoltavaEntityTaganrogEntityCategories1918 births1940s missing person cases1942 deathsAerial disappearances of military personnel in actionAviators killed by being shot downGerman World War II flying acesLuftwaffe personnel killed in World War IILuftwaffe pilotsMilitary personnel from Mecklenburg-VorpommernMilitary personnel from the Grand Duchy of Mecklenburg-SchwerinMissing German people