John Fenn

American analytical chemist (1917–2010)

  • Fame56.0
  • Momentum17.0
  • Wikipedia869
Source-basedRising
Lived 1917–2010, aged 93United States
  • Wikipedia
    59 languages
    Cross-language footprint
  • Era
    1917–2010
    Aged 93
  • Awards
    4
    recognised works
Summary
Updated 2026-06-08

He won a Nobel Prize for inventing a way to weigh molecules that were previously too big to measure, then lost a lawsuit to his own university over whether he'd been honest about how useful it would be.

Biography

About

John Bennett Fenn was born in New York City in 1917 and moved to Kentucky during the Great Depression. After undergraduate work at Berea College and a PhD from Yale, he spent years in industry at Monsanto and private labs, then early academic work on jet propulsion and molecular beams. His late-career breakthrough was electrospray ionization — a technique that made mass spectrometry work for large molecules and became routine in labs worldwide. In 2002, he shared the Nobel Prize in Chemistry with Koichi Tanaka for that work, the other half going to Kurt Wüthrich. The recognition came with a bi…

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Score breakdown

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

Fame
Rising
56.0
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum17.0
Historical22.7
Now attention22.7
Source confidence60.0
Completeness70.0
Global rank
Country rank
Category rank
Receipts

Sources

  • Wikidata
    wikidata · wikidata.org
    High confidence
  • Wikipedia
    wikipedia · en.wikipedia.org
    High confidence
  • Pantheon 2.0
    database · pantheon.world
    High confidence