George Eastman George Eastman George Eastman (July 12, 1854 – March 14, 1932) was an American entrepreneur who founded the Eastman Kodak Company and popularized the use of roll film, helping to bring photography to the mainstream. Roll film was also the basis for the invention of motion picture film stock in 1888 by the world's first film-makers Eadweard Muybridge and Louis Le Prince, and a few years later by their followers Léon Bouly, William Kennedy Dickson, Thomas Edison, the Lumière Brothers, and Georges Méliès. He was a major philanthropist, establishing the Eastman School of Music, and schools of dentistry and medicine
Mitchell Camera effects process plates, or for high-speed filming. In a few cases, the U.S.S.R. added spinning mirror-shutter reflex focusing and viewing, thereby deleting the Mitchell-designed rackover focusing mechanism and the Mitchell-designed side viewer. Though the Eastern Bloc standard for camera film is Kodak Standard perforations, that standard was rejected by the very Bloc which proposed it. U.S.S.R. professional cameras consequently require film stocks that are incompatible with Western Bloc camera film, which always uses Bell & Howell perforations. Eastern Bloc (KS) camera film "will" pass undamaged through a Western Bloc (BH) professional camera, but the images "will not" be registered accurately.