William Joseph Hammer, Date of Birth, Place of Birth, Date of Death
TweetWilliam Joseph Hammer
American engineer
Date of Birth: 26-Feb-1858
Place of Birth: Pennsylvania, United States
Date of Death: 24-Mar-1934
Profession: inventor
Nationality: United States
Zodiac Sign: Pisces 
About William Joseph Hammer
- William Joseph Hammer (February 26, 1858 – March 24, 1934) was an American pioneer electrical engineer and aviator and he was president of the Edison Pioneers starting in 1908.
- He was a winner of the Elliott Cresson Medal.
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