Richard Rau
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Richard Rau (August 26, 1889 – November 6, 1945) was a German track and field athlete who competed in the 1912 Summer Olympics.
In 1912 he finished fourth in the 200 metres competition. In the 100 metres event he was eliminated in the semi-finals.
He was also a member of the German relay team which was disqualified in the final of the 4x100 metre relay competition after a fault with its second baton passing.