Charles Adler, Jr.
(1899-1980)
American engineer
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Charles Adler Jr. (June 20, 1899 – October 23, 1980) was an American inventor and engineer. He is most known for developing devices meant to improve transportation safety, including sonically actuated traffic lights, colorblind road signals, pedestrian push-buttons, and flashing aircraft lights.
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| Born |
20 June 1899
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| Died |
23 October 1980 (aged 81)
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| Zodiac | Gemini |
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