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
Original camera negative Original camera negative The original camera negative (OCN) is the film in a traditional film-based movie camera which captures the original image. This is the film from which all other copies will be made. It is known as raw stock prior to exposure. The size of a roll varies depending on the film gauge and whether or not a new roll, re-can, or short end was used. One hundred or 400 foot rolls are common in 16mm, while 400 or 1,000 foot (ft) rolls are used in 35mm work. While these are the most common sizes, other lengths such as