Peter Cooper Hewitt
Peter Cooper Hewitt (May 5, 1861 – August 25, 1921) was an American electrical engineer and inventor, who invented the first mercury-vapor lamp in 1901. Hewitt was issued U.S. patent 682,692 on September 17, 1901. In 1903, Hewitt created an improved version that possessed higher color qualities which eventually found widespread industrial use.
Peter Cooper Hewitt | |
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Peter Cooper Hewitt holding his mercury vapor rectifier | |
| Born | May 5, 1861 |
| Died | August 25, 1921 (aged 60) |
| Burial place | Green-Wood Cemetery, Brooklyn, New York |
| Nationality | American |
| Alma mater | Stevens Institute of Technology Columbia University |
| Known for | Arc discharge lamp, mercury-arc valve |
| Awards | Elliott Cresson Medal (1910) |
| Signature | |
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