Hans Krohn was born in Hamburg in 1919. He served as a Stuka radio operator with Schlachtgeschwader 2 "Immelmann" throughout the war, flying 965 combat missions mostly with Heinz Jungclaussen (K.C.-winner). Krohn was awarded the Knights cross and ended the war with the rank of Oberfeldwebel. Krohn and Jungclaussen were considered to be one of the top Stuka crews of the war.