...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 5386255 | Motion picture digital sound system and method with primary sound storage edit capability A digital sound system for motion picture films employs a digital time code on the film to trigger the transfer of sound data from a digital audio store to a FIFO memory. The digital audio data is read out from the FIFO memory and played back in the theat... | 01/31/1995 |
| 4429962 | Sound motion picture apparatus with removable cartridge Described is a motion-picture apparatus with a housing, a removable cartridge and an arrangement for reproducing a sound track in correlation with the action shown on a length of film contained in the cartridge.... | 02/07/1984 |
| 4087634 | Dual sound track sensor and calibration strip therefor A sensing device for use with a motion picture projector for projecting a motion picture having a sound track with two or more sound channels, said projector having a light source for illuminating said sound track, said sensing device having a base or fix... | 05/02/1978 |