From Wikipedia, the free encyclopedia. Harry O. Hoyt (6 August 1885 - 29 July 1961) was an American screenwriter and film director whose career began in the silent era. His 1925 film The Lost World, based on the book by Arthur Conan Doyle, is notable as a pioneering effort in the use of stop-motion animation. He was a brother of actor Arthur Hoyt who appeared in The Lost World.
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