Peter Cooper Hewitt
American electrical engineer
Died when: 60 years 112 days (723 months)Star Sign: Taurus
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.
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American electrical engineer
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