Peter Cooper Hewitt

Rarity: Common

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At a glance

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Figure

Domain

Science and technology

Knowledge cost

1

Influence

2

Resistance

2

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What Wikipedia says

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.

Excerpt from the Wikipedia article “Peter Cooper Hewitt”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Bain News Service photograph, Public domain, via Wikimedia Commons.