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What role did George Eastman play in the development of motion-picture film?

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Zazu Pitts, Gibson Gowland, and Hughie Mack in a dramatic scene from the silent film Greed (1924); Gowland stands center, supported by Pitts and Mack on either side. — Silent film era (From left) Zasu Pitts, Gibson Gowland, and Hughie Mack in the silent film *Greed* (1924), directed by Erich von Stroheim.

George Eastman played a pivotal role in the development of motion-picture film by providing the essential medium required for the medium to evolve beyond short, experimental bursts of photography.

While early pioneers like Eadweard Muybridge and Étienne-Jules Marey utilized glass plates or paper strips to capture series photography, these materials were insufficient for recording longer, more complex events. In 1889, Eastman began manufacturing celluloid roll film at his plant in Rochester, New York. This flexible, durable, and transparent base—which built upon the earlier work of Hannibal Goodwin—allowed for the continuous recording of thousands of images.1

By providing this reliable recording medium, Eastman’s innovation enabled inventors to combine the principles of series photography with a practical strip-film format, directly facilitating the creation of the motion-picture camera and the subsequent rise of cinematography.1