Francis Robbins Upton was a valuable part of Edison’s workforce, with his deep knowledge of physics and mathematics. He joined the Menlo Park laboratory in 1878, and his vast knowledge of physics was invaluable to Edison.
Mathematical problems often arose during the development of devices like the incandescent lamp, the watt-hour meter and large dynamos, and Upton was there to work them out.
When the Edison Lamp Works was established in 1880, Upton became its partner and general manager. He also wrote readable articles in magazines, to publicise Edison’s new inventions.
Edison affectionately called him ‘Culture’, because of his thoughtful manner, talent to play the piano and of course his impressive educational background.
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