Charles Adler Jr.
| Use attributes for filter ! | |
| Gender | Male |
|---|---|
| Date of birth | June 20,1899 |
| Zodiac sign | Gemini |
| Education | Johns Hopkins University |
| Date of Reg. | |
| Date of Upd. | |
| ID | 3658734 |
Charles Adler Jr. Life story
Charles Adler Jr. 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.
Charles Adler Jr. Photos
