. "Rittmeister Karl Bolle, (20 June 1893 \u2013 9 October 1955), Pour le Merite, Military Merit Cross, Royal House Order of Hohenzollern, Friedrich Order, Iron Cross was a fighter ace with 36 aerial victories during World War I. He became a Jagdstaffel commander during that war, and an advisor to the Luftwaffe during World War II."@en . . . "1955Z"^^ . . "German flying ace" . . "1893Z"^^ . "Bolle, Karl"@en . . "Germany" . . . "1955-10-09Z"^^ . . . "1918Z"^^ . . . "1893-06-20Z"^^ . . . . "1913Z"^^ . "Karl (Carl) Bolle"@en . "Jagdstaffel 2" .