Technicolor.

The use of color film in motion pictures was pioneered by Herbert T. Kalmus, a graduate of the Massachusetts Institute of Technology who began work on color photography in 1913. Kalmus made a short, one-reel color movie, The Gulf Between, in 1917, but it attracted little notice. In 1920 Kalmus tried to obtain backing for his infant Technicolor Company from George Eastman, founder of the Eastman Kodak Company in Rochester, New York. The film-manufacturing giant turned Kalmus down, saying his manufacturing technique was faulty. A Two-Component Process. During the 1920s Kalmus, who used a two-primary-color technique to make his pioneer movie, developed two significant improvements to the process, which he called Process Number Two and Process Number Three. Process Number Two, though experimental, met with some success. Kalmus used it in 1922 for the first full-length technicolor movie, The Toll of the Sea. The following...