John Macleod

Nobel prize-winning Scottish physician and physiologist; co-discoverer of insulin

  • Fame58.6
  • Momentum17.1
  • Doctors rank#77
Source-basedRising
  • Fame58.6
  • Momentum17.1
  • Doctors rank#77
  • Wikipedia2.3K
Lived 1876–1935, aged 59United Kingdom
  • Wikipedia
    64 languages
    Cross-language footprint
  • Era
    1876–1935
    Aged 59
  • Awards
    5
    recognised works
Summary
Updated 2026-06-21

A Scottish biochemist who shared the 1923 Nobel for insulin — then spent years fighting claims he barely contributed. Banting said Macleod's role was negligible; decades later, independent review said otherwise.

Biography

About

John James Rickard Macleod was born on 6 September 1876, a Scottish biochemist and physiologist who spent his career on topics ranging across physiology and biochemistry, with carbohydrate metabolism at the center. During his time as a lecturer at the University of Toronto, he played a part in the discovery and isolation of insulin, work that earned him and Frederick Banting the 1923 Nobel Prize in Physiology or Medicine. The award sparked controversy: Banting's account painted Macleod's contribution as negligible, a version that stuck for years. Only decades after the fact did an independent…

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Score breakdown

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

Fame
Rising
58.6
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum17.1
Historical22.7
Now attention12.8
Source confidence60.0
Completeness70.0
Global rank
Country rank
Category rank
#77
Receipts

Sources

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