In 1889, Thomas Edison’s research assistant William K. L. Dickson split a roll of standard Kodak film down the center and perforated each side, inadvertently creating the 35mm width that would become the future standard of film. This format was soon patented for use with Edison’s various moving picture devices, yet it wasn’t until much later that the film size became linked with still photography. While the first patent for a still camera...Continue Reading