# John Macleod

> 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.

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

**Canonical URL:** https://fame.am/person/john-macleod

## Identity
- **Profile type:** Doctor ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Doctors
- **Country:** United Kingdom
- **Born:** 1876-09-06
- **Died:** 1935-03-16
- **Status:** deceased
- **Gender:** male

## Bio

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 review grant Macleod a far greater role than the original narrative allowed. He died on 16 March 1935.

## Fame
- **Popularity score:** 58.7 / 100
- **Momentum:** 17.4 / 100  (trend: RISING)
- **Historical depth:** 24.1 / 100
- **Attention shift:** 8.3 / 100
- **Source confidence:** 60.0 / 100
- **Profile completeness:** 70.0 / 100

## Topics
#Scientists, #Doctor, #Medicine, #Chemistry, #United Kingdom, #Europe, #20th Century

## Sources
- [John James Rickard Macleod](https://it.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [John James Rickard Macleod](https://pt.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [John Macleod](https://es.wikipedia.org/wiki/John_Macleod)
- [約翰·麥克勞德 (生理學家)](https://zh.wikipedia.org/wiki/%E7%B4%84%E7%BF%B0%C2%B7%E9%BA%A5%E5%85%8B%E5%8B%9E%E5%BE%B7_(%E7%94%9F%E7%90%86%E5%AD%B8%E5%AE%B6))
- [ジョン・ジェームズ・リチャード・マクラウド](https://ja.wikipedia.org/wiki/%E3%82%B8%E3%83%A7%E3%83%B3%E3%83%BB%E3%82%B8%E3%82%A7%E3%83%BC%E3%83%A0%E3%82%BA%E3%83%BB%E3%83%AA%E3%83%81%E3%83%A3%E3%83%BC%E3%83%89%E3%83%BB%E3%83%9E%E3%82%AF%E3%83%A9%E3%82%A6%E3%83%89)
- [Маклеод, Джон](https://ru.wikipedia.org/wiki/%D0%9C%D0%B0%D0%BA%D0%BB%D0%B5%D0%BE%D0%B4%2C_%D0%94%D0%B6%D0%BE%D0%BD)
- [John Macleod](https://pl.wikipedia.org/wiki/John_Macleod)
- [John Macleod (medicus)](https://nl.wikipedia.org/wiki/John_Macleod_(medicus))
- [Wikidata](https://www.wikidata.org/wiki/Q232024)
- [Wikipedia](https://en.wikipedia.org/wiki/John_Macleod)
- [Pantheon 2.0](https://pantheon.world/profile/person/John%20Macleod)
- [John James Rickard Macleod](https://cs.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [John James Richard Macleod](https://cy.wikipedia.org/wiki/John_James_Richard_Macleod)
- [John James Rickard Macleod](https://da.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [John James Rickard Macleod](https://de.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [Τζων Μακλήοντ](https://el.wikipedia.org/wiki/%CE%A4%CE%B6%CF%89%CE%BD_%CE%9C%CE%B1%CE%BA%CE%BB%CE%AE%CE%BF%CE%BD%CF%84)
- [John Macleod (physiologist)](https://en.wikipedia.org/wiki/John_Macleod_(physiologist))
- [John James Rickard Macleod](https://es.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [John James Richard Macleod](https://et.wikipedia.org/wiki/John_James_Richard_Macleod)
- [John James Rickard Macleod](https://eu.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [جان مک‌لاود (فیزیولوژیست)](https://fa.wikipedia.org/wiki/%D8%AC%D8%A7%D9%86_%D9%85%DA%A9%E2%80%8C%D9%84%D8%A7%D9%88%D8%AF_(%D9%81%DB%8C%D8%B2%DB%8C%D9%88%D9%84%D9%88%DA%98%DB%8C%D8%B3%D8%AA))
- [John James Rickard Macleod](https://fi.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [John James Rickard Macleod](https://fr.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [John James Rickard Macleod](https://ga.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [John James Rickard Macleod](https://gl.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [ג'ון מקלאוד](https://he.wikipedia.org/wiki/%D7%92'%D7%95%D7%9F_%D7%9E%D7%A7%D7%9C%D7%90%D7%95%D7%93)
- [John James Rickard Macleod](https://hr.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [John James Rickard Macleod](https://hu.wikipedia.org/wiki/John_James_Rickard_Macleod)
- [جۆن مەکلیۆد](https://ckb.wikipedia.org/wiki/%D8%AC%DB%86%D9%86_%D9%85%DB%95%DA%A9%D9%84%DB%8C%DB%86%D8%AF)
- [John James Rickard Macleod](https://ca.wikipedia.org/wiki/John_James_Rickard_Macleod)

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