# John R. Stallings

> John Robert Stallings Jr. was a mathematician known for his seminal contributions to geometric group theory and 3-manifold topology. Stallings was a Professor Emeritus in the Department of Mathematics at the University of California at Berkeley where he had been a faculty member since 1967. He published over 50 papers, predominantly in the areas of geometric group theory and the topology of 3-manifolds. Stallings' most important contributions include a proof, in a 1960 paper, of the Poincaré Conjecture in dimensions greater than six and a proof, in a 1971 paper, of the Stallings theorem about ends of groups.

*American mathematician (1935–2008)*

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

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Country:** United States
- **Born:** 1935-07-22
- **Died:** 2008-11-24
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 38.3 / 100
- **Momentum:** 0.0 / 100  (trend: FALLING)
- **Historical depth:** 5.5 / 100
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- **Source confidence:** 35.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [John Stallings](https://de.wikipedia.org/wiki/John_Stallings)
- [چوهن آر. ستالينجس](https://arz.wikipedia.org/wiki/%DA%86%D9%88%D9%87%D9%86_%D8%A2%D8%B1._%D8%B3%D8%AA%D8%A7%D9%84%D9%8A%D9%86%D8%AC%D8%B3)
- [جان راس استالینز](https://azb.wikipedia.org/wiki/%D8%AC%D8%A7%D9%86_%D8%B1%D8%A7%D8%B3_%D8%A7%D8%B3%D8%AA%D8%A7%D9%84%DB%8C%D9%86%D8%B2)
- [John Stallings](https://pt.wikipedia.org/wiki/John_Stallings)
- [John R. Stallings](https://en.wikipedia.org/wiki/John_R._Stallings)
- [John R. Stallings](https://fr.wikipedia.org/wiki/John_R._Stallings)
- [Wikidata](https://www.wikidata.org/wiki/Q1701799)

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