He developed a photo identification system for Polaroid - Monroe Duo-Cam- era (1942), Interocular Computer for stereoscopic photography (1952) and the film Polacolor (1962), for Itek - developed the C105 Quad camera with four lenses (1961). Some fifty yearsago, at the Research Department of Polaroid Corporation, he investi- gated stereoscopic photography as applied to Polaroid's Vectograph process and also as applied to the projection of stereoscopic slides and motion pictures with polarized light. At that time we reviewed the existing concepts for stereoscopic photography and produced a practical calculator for the interaxial distance. He constructed an experi- mental, variable-interaxial stereo camera to study and evaluate our findings. The first Polacolor was a post-World War I process for making 35mm color motion picture prints for theatrical use. It was a three-color dye coupler process that produced full-color images in a single photographic emulsion. As an alternative to the dominant Technicolor printing process, Polacolor had advantages over the con- temporary Cinecolor process, which yielded two-color prints that reproduced only a limited range of colors and had the two component dye images in separate emulsions on the front and back of the film base. While Polacolor did not see much use past short subjects and advertisements, Paramount Pictures used it for their Famous Studios an- imated short series Screen Songs, Popeye, and Noveltoons.