Dr. Ludwig M. Dieterich was an engineer known for his patents on color photography. Dieterich was born on September 4, 1867 in Graz, Austria to Rudolt von Dieterich and Malvine Rose Kiewicz. He naturalized as a United States citizen on December 29, 1905, and married Herma Bohm in 1895. Dieterich's work was used for the film coloring process in Multicolor, Limited, a company owned by Howard Hughes. Dieterich died on December 29, 1935 in Los Angeles, California.