...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 |
| 7219097 | Authentication history certification system and method thereof To provide a system and its method for receiving inquiries for personal histories or performing certification of histories collectively. The present invention provides an authentication history certification system for certifying a personal history on a compu... | 05/15/2007 |
| 7146128 | Scoring method and scoring system A scoring method and a scoring system perform scoring quickly and accurately, and summarize and sort the scores into statistic data readily. The scoring method includes the steps of collecting answer data concerning answers provided by a plurality of examinees in a ... | 12/05/2006 |
| 6996365 | Scoring method and scoring system A scoring method and a scoring system perform scoring quickly and accurately, and summarize and sort the scores into statistic data readily. The scoring method includes the steps of collecting answer data concerning answers provided by a plurality of examinees in a ... | 02/07/2006 |