# Joseph-Émile Barbier

> Joseph-Émile Barbier (1839–1889) was a French astronomer and mathematician, known for Barbier's theorem on the perimeter of curves of constant width.

*French astronomer (1839–1889)*

**Canonical URL:** https://fame.am/person/joseph-emile-barbier

## Identity
- **Profile type:** Scientist ([Wikidata](https://www.wikidata.org/entity/Q39631))
- **Category:** Scientists
- **Country:** France
- **Born:** 1839-03-18
- **Died:** 1889-01-28
- **Status:** deceased
- **Gender:** male

## Bio

Imported from discovery source: wikidata-dump

## Fame
- **Popularity score:** 39.2 / 100
- **Momentum:** 0.0 / 100  (trend: FALLING)
- **Historical depth:** 8.3 / 100
- **Now attention:** 0.0 / 100
- **Source confidence:** 50.0 / 100
- **Profile completeness:** 55.0 / 100

## Sources
- [約瑟夫-埃米爾·巴比爾](https://zh.wikipedia.org/wiki/%E7%B4%84%E7%91%9F%E5%A4%AB-%E5%9F%83%E7%B1%B3%E7%88%BE%C2%B7%E5%B7%B4%E6%AF%94%E7%88%BE)
- [Joseph Émile Barbier](https://ca.wikipedia.org/wiki/Joseph_%C3%89mile_Barbier)
- [Joseph-Émile Barbier](https://de.wikipedia.org/wiki/Joseph-%C3%89mile_Barbier)
- [Joseph-Émile Barbier](https://en.wikipedia.org/wiki/Joseph-%C3%89mile_Barbier)
- [Joseph-Émile Barbier](https://es.wikipedia.org/wiki/Joseph-%C3%89mile_Barbier)
- [Joseph Émile Barbier](https://fr.wikipedia.org/wiki/Joseph_%C3%89mile_Barbier)
- [Joseph Emile Barbier](https://it.wikipedia.org/wiki/Joseph_Emile_Barbier)
- [ジョゼフ＝エミール・バルビエ](https://ja.wikipedia.org/wiki/%E3%82%B8%E3%83%A7%E3%82%BC%E3%83%95%EF%BC%9D%E3%82%A8%E3%83%9F%E3%83%BC%E3%83%AB%E3%83%BB%E3%83%90%E3%83%AB%E3%83%93%E3%82%A8)
- [Joseph-Émile Barbier](https://pl.wikipedia.org/wiki/Joseph-%C3%89mile_Barbier)
- [Wikidata](https://www.wikidata.org/wiki/Q3185904)

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