William Edward Haupt (July 10, 1885 – April 16, 1966)[1] was an American racing driver.
Haupt drove in four Indianapolis 500s - 1913 thru 1915, and also in the 1920 - with his best finish of ninth coming in the 1913.
For a period of time he may have managed the racing activities of Erwin Bergdoll.
[2] In 1918, Haupt was an engineer for Haupt & Shaffer Co.,[3] and during the Second World War, he worked as an engineer in the aircraft engine laboratory of the Philadelphia Navy Yard.
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