About Peter Cooper Hewitt

Peter Cooper Hewitt 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.

Facts from Wikidata (CC0). Image by Bain News Service photograph via Wikimedia Commons (Public domain).

Peter Cooper Hewitt

(1861-1921) American electrical engineer who invented the first mercury-vapor lamp

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About Peter Cooper Hewitt

Facts from Wikidata (CC0). Image by Bain News Service photograph via Wikimedia Commons (Public domain).

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Occupation: inventor, electrical engineer, patent inventor, engineer
Citizenship: United States
Born: November 13, 1861
Died: August 25, 1921

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Peter Cooper Hewitt across IJR

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