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Hannibal Goodwin patents celluloid photographic film.
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Hannibal Goodwin
American inventor in film development
Hannibal Williston Goodwin, patented a method for making transparent, flexible roll film out of nitrocellulose film base, which was used in Thomas Edison's Kinetoscope, an early machine for viewing motion pictures.Source: Wikipedia (CC BY-SA)
Celluloid
Class of highly reactive materials produced by mixing nitrocellulose and camphor
Celluloids are a class of materials produced by mixing nitrocellulose and camphor, often with added dyes and other agents. Once much more common for its use as photographic film before the advent of safer methods, celluloid's common present-day uses are for manufacturing table…Source: Wikipedia (CC BY-SA)
Photographic film
Visual storage media used by film (analog) cameras
Photographic film is a strip or sheet of transparent film base coated on one side with a gelatin emulsion containing microscopically small light-sensitive silver halide crystals. The sizes and other characteristics of the crystals determine the sensitivity, contrast, and…Source: Wikipedia (CC BY-SA)