# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/joseph-emile-barbier
# Generated: 2026-08-14T17:19:30.064Z

schema: https://schema.org/Person
url: "https://fame.am/person/joseph-emile-barbier"
name: "Joseph-Émile Barbier"
slug: "joseph-emile-barbier"
description: "Joseph-Émile Barbier (1839–1889) was a French astronomer and mathematician, known for Barbier's theorem on the perimeter of curves of constant width."
tagline: "French astronomer (1839–1889)"
gender: "male"
country:
  name: "France"
  isoCode: "FR"
category:
  name: "Scientists"
  slug: "scientists"
profileType:
  name: "Scientist"
  slug: "scientist"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1839-03-18"
deathDate: "1889-01-28"
livingStatus: "DECEASED"
scores:
  popularity:           39.24
  momentum:             0
  historical:           8.272210666666666
  currentAttention:     0
  sourceConfidence:     50.00000000000001
  profileCompleteness:  55
  trendDirection:       "FALLING"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "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"
    title: "約瑟夫-埃米爾·巴比爾"
    type:  "WIKIPEDIA"
  - url: "https://ca.wikipedia.org/wiki/Joseph_%C3%89mile_Barbier"
    title: "Joseph Émile Barbier"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Joseph-%C3%89mile_Barbier"
    title: "Joseph-Émile Barbier"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Joseph-%C3%89mile_Barbier"
    title: "Joseph-Émile Barbier"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Joseph-%C3%89mile_Barbier"
    title: "Joseph-Émile Barbier"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Joseph_%C3%89mile_Barbier"
    title: "Joseph Émile Barbier"
    type:  "WIKIPEDIA"
  - url: "https://it.wikipedia.org/wiki/Joseph_Emile_Barbier"
    title: "Joseph Emile Barbier"
    type:  "WIKIPEDIA"
  - url: "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"
    title: "ジョゼフ＝エミール・バルビエ"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Joseph-%C3%89mile_Barbier"
    title: "Joseph-Émile Barbier"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q3185904"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump