Bion Joseph Arnold | |
|---|---|
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| Born | August 14, 1861 Casnovia, Michigan |
| Died | January 29, 1942 (aged 80) Chicago, Illinois |
| Service | United States Army |
| Rank | lieutenant colonel |
| Signature | .png){kind=small} |
Bion Joseph Arnold (August 14, 1861 – January 29, 1942) was an American engineer. He is remembered as "father of the third rail",[1] a pioneer in electrical engineering, and an urban mass transportation expert who helped design New York's Interborough Rapid Transit subway system. He also served as a lieutenant colonel during World War I in the Aviation Section of the Signal Corps.
- ^ Current Biography 1942, p. 33