Claim profile

Peter Cooper Hewitt

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

  • Fame50.5
  • Momentum10.6
  • Wikipedia1.5K
Source-basedRising
Lived 1861–1921, aged 60United States
United StatesUnited StatesScientistsScientist
  • Wikipedia
    13 languages
    Cross-language footprint
  • Era
    1861–1921
    Aged 60
  • Awards
    2
    recognised works
Summary
Updated 2026-06-12

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.

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The six component signals behind the Fame score, and their ranks across the leaderboards.

Fame
Rising
50.5
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum10.6
Historical12.5
Now attention37.4
Source confidence60.0
Completeness70.0
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