# Gerhard Ringel

> Gerhard Ringel was a German mathematician. He was one of the pioneers in graph theory and contributed significantly to the proof of the Heawood conjecture, a mathematical problem closely linked with the four color theorem.

*German-American mathematician (1919–2008)*

**Canonical URL:** https://fame.am/person/gerhard-ringel

## Identity
- **Profile type:** Academic ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Academics
- **Country:** United States
- **Born:** 1919-10-28
- **Died:** 2008-06-24
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 38.9 / 100
- **Momentum:** 0.0 / 100  (trend: FALLING)
- **Historical depth:** 7.9 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 50.0 / 100
- **Profile completeness:** 70.0 / 100

## Sources
- [Рингель, Герхард](https://ru.wikipedia.org/wiki/%D0%A0%D0%B8%D0%BD%D0%B3%D0%B5%D0%BB%D1%8C%2C_%D0%93%D0%B5%D1%80%D1%85%D0%B0%D1%80%D0%B4)
- [جيرهارد رينجل](https://arz.wikipedia.org/wiki/%D8%AC%D9%8A%D8%B1%D9%87%D8%A7%D8%B1%D8%AF_%D8%B1%D9%8A%D9%86%D8%AC%D9%84)
- [Gerhard Ringel](https://ca.wikipedia.org/wiki/Gerhard_Ringel)
- [Gerhard Ringel](https://de.wikipedia.org/wiki/Gerhard_Ringel)
- [Gerhard Ringel](https://en.wikipedia.org/wiki/Gerhard_Ringel)
- [Gerhard Ringel](https://es.wikipedia.org/wiki/Gerhard_Ringel)
- [Gerhard Ringel](https://fr.wikipedia.org/wiki/Gerhard_Ringel)
- [Gerhard Ringel](https://ht.wikipedia.org/wiki/Gerhard_Ringel)
- [Gerhard Ringel](https://pt.wikipedia.org/wiki/Gerhard_Ringel)
- [Wikidata](https://www.wikidata.org/wiki/Q113731)

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