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			Marvin Camras Born Jan 1 1916 - Died Jun 23 1995 Method and Means of Magnetic Recording Magnetic Recording Patent Number(s) 2,351,004 Inducted 1985 Marvin Camras' inventions are used in modern magnetic tape and wire recorders, including high frequency bias, improved recording heads, wire and tape material, magnetic sound for motion pictures, multitrack tape machines, stereophonic sound reproduction, and video tape recording. Invention Impact Before and during World War II his early wire recorders were used by the military to train pilots. Battle sounds were recorded and equipment was developed to amplify it by thousands of watts. The recordings were placed where the invasion of D-Day was not to take place, giving false information to the Germans. The public first heard of Camras' work after the war had ended. Inventor Bio Born in Chicago, Illinois, Camras received a B.S. in 1940, an M.S. in 1942, and an Honorary Doctorate in 1978 from the Illinois Institute of Technology. He had spent most of his working life at the IIT Research Institute, where he served as senior scientific adviser. In the 1930s Camras developed a successful wire recorder. Camras received more than 500 patents, largely in the field of electronic communications.