The Prizma Color system was a technique of color motion picture photography, invented in 1913 by William Van Doren Kelley and Charles Raleigh. Initially, it was a two-color additive color system, similar to its predecessor, Kinemacolor. However, Kelley eventually transformed Prizma into a Bi-pack color system that itself became the predecessor for future color processes such as Multicolor and Cinecolor. Prizma I (additive) The first system of Prizma was similar to Kinemacolor in that the camera… (More on Prizma)