Joseph-Émile Barbier

French astronomer (1839–1889)
Person human Q3185904
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Joseph-Émile Barbier

Summary

Joseph-Émile Barbier is a human[1]. Born in Saint-Hilaire-Cottes[2], he… he was born on +1839-03-18T00:00:00Z[3]. He passed away in Saint-Genest-Lerpt[4]. He died on +1889-01-28T00:00:00Z[5]. He worked as an astronomer[6] and mathematician[7]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (4 views/month, #7,297 of 1,000,298).[8]

Key Facts

  • Born in Saint-Hilaire-Cottes[2], Joseph-Émile Barbier…
  • Joseph-Émile Barbier died in Saint-Genest-Lerpt[4].
  • Joseph-Émile Barbier was born on +1839-03-18T00:00:00Z[3].
  • Joseph-Émile Barbier died on +1889-01-28T00:00:00Z[5].
  • Joseph-Émile Barbier held citizenship in France[9].
  • Joseph-Émile Barbier's professions included astronomer[6].
  • Joseph-Émile Barbier's professions included mathematician[7].
  • Joseph-Émile Barbier's field of work was mathematics[10].
  • Joseph-Émile Barbier was employed by Paris Observatory, PSL University[11].
  • Among Joseph-Émile Barbier's employers was French Academy of Sciences[12].
  • Among Joseph-Émile Barbier's employers was Lycée Masséna[13].
  • Joseph-Émile Barbier was educated at École Normale Supérieure[14].
  • Joseph-Émile Barbier was educated at Lycée Henri-IV[15].
  • Joseph-Émile Barbier was educated at Colleges of St Omer, Bruges and Liège[16].
  • A notable work attributed to Joseph-Émile Barbier is Barbier's theorem[17].
  • Joseph-Émile Barbier is recorded as male[18].
  • Joseph-Émile Barbier's instance of is recorded as human[19].
  • Joseph-Émile Barbier's VIAF cluster ID is recorded as 100152380067301760575[20].
  • Joseph-Émile Barbier's IdRef ID is recorded as 225337002[21].
  • Joseph-Émile Barbier's residence is recorded as Charenton asylum[22].
  • Joseph-Émile Barbier's Freebase ID is recorded as /m/0jl0fjx[23].
  • Joseph-Émile Barbier's family name is recorded as Barbier[24].
  • Joseph-Émile Barbier's given name is recorded as Joseph[25].
  • Joseph-Émile Barbier's given name is recorded as Émile[26].
  • Joseph-Émile Barbier's medical condition is recorded as mental disorder[27].

Body

Origins and Family

Joseph-Émile Barbier was born in Saint-Hilaire-Cottes[2]. He was born on +1839-03-18T00:00:00Z[3].

Education

Educated at École Normale Supérieure[14], a école normale supérieure[28], in France[29], founded in 1794[30], headquartered in Paris[31]; Lycée Henri-IV[15], an educational facility[32], in France[33], founded in 1796[34]; and Colleges of St Omer, Bruges and Liège[16], a secondary school[35], in France[36], founded in 1593[37].

Career and Affiliations

Recorded occupations include astronomer[6] and mathematician[7]. Joseph-Émile Barbier's field of work was mathematics[10]. Employers include Paris Observatory, PSL University[11], a grand établissement[38], in France[39], founded in 1667[40], headquartered in Paris[41]; French Academy of Sciences[12], an academy of sciences[42], in France[43], founded in 1666[44], headquartered in Paris[45]; and Lycée Masséna[13], an educational facility[46], in France[47], founded in 1812[48].

Works and Contributions

A notable work attributed to Joseph-Émile Barbier is Barbier's theorem[17]. Things named for him include Barbier's theorem[49], a theorem[50].

Death and Burial

Joseph-Émile Barbier died on +1889-01-28T00:00:00Z[5]. He died in Saint-Genest-Lerpt[4].

Why It Matters

Joseph-Émile Barbier ranks in the top 0.73% of human entities by monthly Wikipedia readership (4 views/month, #7,297 of 1,000,298).[8] He has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[51] He is known by 5 alternative names across languages and contexts.[52]

Entities named for him include Barbier's theorem[49], a theorem[50].

FAQs

Where was Joseph-Émile Barbier born?

Born in Saint-Hilaire-Cottes[2], Joseph-Émile Barbier…

Where did Joseph-Émile Barbier die?

Joseph-Émile Barbier passed away in Saint-Genest-Lerpt[4].

What did Joseph-Émile Barbier do for work?

Joseph-Émile Barbier worked as astronomer[6] and mathematician[7].

Where did Joseph-Émile Barbier go to school?

Joseph-Émile Barbier was educated at École Normale Supérieure[14], Lycée Henri-IV[15], and Colleges of St Omer, Bruges and Liège[16].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] . MacTutor History of Mathematics archive. wikidata.org.
  2. [4] . MacTutor History of Mathematics archive. wikidata.org.
  3. [18] . wikidata.org.
  4. [9] . wikidata.org.
  5. [19] . wikidata.org.
  6. [14] . MacTutor History of Mathematics archive. wikidata.org.
  7. [15] . MacTutor History of Mathematics archive. wikidata.org.
  8. [16] . MacTutor History of Mathematics archive. wikidata.org.
  9. [10] . wikidata.org.
  10. [6] . wikidata.org.
  11. [7] . wikidata.org.
  12. [11] . MacTutor History of Mathematics archive. wikidata.org.
  13. [12] . MacTutor History of Mathematics archive. wikidata.org.
  14. [13] . MacTutor History of Mathematics archive. wikidata.org.
  15. [20] . wikidata.org.
  16. [21] . wikidata.org.
  17. [22] . MacTutor History of Mathematics archive. wikidata.org.
  18. [3] . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  19. [5] . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  20. [23] . wikidata.org.
  21. [24] . wikidata.org.
  22. [25] . wikidata.org.
  23. [26] . wikidata.org.
  24. [17] . wikidata.org.
  25. [27] . MacTutor History of Mathematics archive. wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [49] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site
  3. [30] . Wikidata. wikidata.org. → on this site
  4. [31] . Wikidata. wikidata.org. → on this site
  5. [32] . Wikidata. wikidata.org. → on this site
  6. [33] . Wikidata. wikidata.org. → on this site
  7. [34] . Wikidata. wikidata.org. → on this site
  8. [35] . Wikidata. wikidata.org. → on this site
  9. [36] . Wikidata. wikidata.org. → on this site
  10. [37] . Wikidata. wikidata.org. → on this site
  11. [38] . Wikidata. wikidata.org. → on this site
  12. [39] . Wikidata. wikidata.org. → on this site
  13. [40] . Wikidata. wikidata.org. → on this site
  14. [41] . Wikidata. wikidata.org. → on this site
  15. [42] . Wikidata. wikidata.org. → on this site
  16. [43] . Wikidata. wikidata.org. → on this site
  17. [44] . Wikidata. wikidata.org. → on this site
  18. [45] . Wikidata. wikidata.org. → on this site
  19. [46] . Wikidata. wikidata.org. → on this site
  20. [47] . Wikidata. wikidata.org. → on this site
  21. [48] . Wikidata. wikidata.org. → on this site
  22. [50] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [8] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [51] . Wikidata sitelinks. wikidata.org.
  3. [52] . Wikidata aliases. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Joseph-Émile Barbier. Retrieved April 10, 2026, from https://4ort.xyz/entity/joseph-mile-barbier
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BibTeX @misc{4ortxyz_joseph-mile-barbier_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Joseph-Émile Barbier}}, year = {2026}, url = {https://4ort.xyz/entity/joseph-mile-barbier}, note = {Accessed: 2026-04-10}}
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