Theodor "Theo" Osterkamp (15 April 1892 – 2 January 1975) 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 through the Battle of Britain and claimed a further 6 victories, in the process becoming one of only a few men to score victories in both world wars.
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