Theo Osterkamp, German general and pilot (died 1975)

Theodor "Theo" Osterkamp was a German fighter pilot during World War I and World War II. A flying ace, he achieved 32 victories in World War I. In World War II, he led Jagdgeschwader 51 up to the Battle of Britain and claimed a further six victories during World War II, in the process becoming one of only a few men to score victories and become an ace in both world wars.