JG 1 was assigned several fighter pilots from the Eastern Front; once such personality was Lutz-Wilhelm Burckhardt, Other successful individuals with JG 1 were Hugo Frey, Herbert Kaiser. Georg-Peter Eder, who rose to command II. "Gruppe", served several months with JG 1 and was the leading fighter pilot against US heavy bombers. With his former commanding officer, Egon Mayer, he helped develop the head-on tactics that proved successful against the heavy bombers. "Major" Heinrich Bär was among the most successful of the war, eclipsing the final personal totals of both Oesau and Philipp, with ~220 claims to his credit.