Leopold Godowsky Jr. (May 27, 1900 – February 18, 1983) was an American violinist and chemist, who together with Leopold Mannes created the first practical color transparency film, Kodachrome. Beginning Mannes and Godowsky's experimentation with color photography began in 1917, after seeing the film Our Navy in Prizma Color, which was advertised as a color film. Because of the low quality the boys felt cheated and decided to do something about it. They designed a movie camera and projector each with three lenses covered by orange-red, green and blue-violet filters. They took multiple black-and-white exposures and projected them back through the filters. They patented this system, but it was not a commercially viable process. Personal life Godowsky studied violin at UCLA and became a soloist and first violinist with the Los Angeles Philharmonic and the San Francisco Symphony Orchestras. He also enrolled at UCLA to study physics and chemistry. He performed jointly with his father, Leopold Godowsky, one of the great pianists of the early twentieth century, using a rare Cremonese violin by Giuseppe Guarneri del Gesù, the 1734 "Prince Doria". Godowsky Jr married Frances Gershwin, sister of George and Ira Gershwin, who became a recognized painter and sculptor. Their son, Leopold Godowsky III, was also a concert pianist. By 1922, Godowsky had given up his orchestral jobs in California and moved back to New York City where he and Mannes worked as musicians. They experimented with color photography during their spare time. Discovery While on his way to perform in Europe in late 1922, Mannes made the chance acquaintance of a senior partner in the investment firm of Kuhn, Loeb and Co. and described their progress with color photography. Some months later the firm sent one of their junior associates, Lewis L. Strauss to the Mannes apartment to view the color process. The final results were impressive enough for Kuhn Loeb to invest in the process. Development of color process With financial backing, Godowsky and Mannes built a dedicated laboratory and in 1924 took out additional patents on their work. In 1930 Eastman Kodak was so impressed with the results that they contracted them to move to Rochester and take advantage of Kodak's research facilities. By 1935, Godowsky and Mannes and the Kodak research staff had developed a marketable subtractive color film for home movies. Kodachrome film was coated with three layers of ordinary black-and-white silver halide gelatin emulsion,