August Arnold
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August Arnold (born abt 1900-died 1983 Germany) was a film producer, inventor and co-founder, along with partner Robert Richter, of the Arnold & Richter Cine Technik (AR), Arri Group. In 1937 along with his chief engineer, Erich Kastner he developed the first reflex 35mm motion picture camera, the Arriflex 35.