Henri Brocard

French mathematician and meteorologist (1845-1922)
Person human Q572312
Henri Brocard
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Henri Brocard

Summary

Henri Brocard is a human[1]. His place of birth was Vignot[2]. He was born on May 12, 1845[3]. He passed away in Bar-le-Duc[4]. He died on January 16, 1922[5]. He worked as a mathematician[6], speleologist[7], meteorologist[8], military engineer[9], and engineer[10]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (26 views/month, #7,289 of 1,000,298).[11]

Key Facts

  • Henri Brocard's place of birth was Vignot[2].
  • Henri Brocard died in Bar-le-Duc[4].
  • Henri Brocard was born on May 12, 1845[3].
  • Henri Brocard died on January 16, 1922[5].
  • Burial took place at Vignot cemetery[12].
  • Henri Brocard held citizenship in France[13].
  • Henri Brocard's professions included mathematician[6].
  • Henri Brocard's professions included speleologist[7].
  • Henri Brocard's professions included meteorologist[8].
  • Henri Brocard's professions included military engineer[9].
  • Henri Brocard worked as an engineer[10].
  • Henri Brocard's field of work was geometry[14].
  • Among Henri Brocard's employers was French Armed Forces[15].
  • Henri Brocard's education included a stint at Lycée Thiers[16].
  • Henri Brocard was educated at École polytechnique[17].
  • Henri Brocard was educated at École d'application de l'artillerie et du génie in Metz[18].
  • A notable work attributed to Henri Brocard is Brocard's problem[19].
  • A notable work attributed to Henri Brocard is Brocard points[20].
  • A notable work attributed to Henri Brocard is Brocard's conjecture[21].
  • A notable work attributed to Henri Brocard is Brocard circle[22].
  • A notable work attributed to Henri Brocard is Brocard triangle[23].
  • A notable work attributed to Henri Brocard is Brocard inellipse[24].
  • Henri Brocard received the Officer of the Legion of Honour[25].
  • Henri Brocard received the Knight of the Legion of Honour[26].
  • Henri Brocard received the Knight of the French Order of Academic Palms[27].

Body

Origins and Family

Henri Brocard was born in Vignot[2]. He was born on May 12, 1845[3].

Education

Educated at Lycée Thiers[16], an educational facility[28], in France[29], founded in 1965[30]; École polytechnique[17], a grande école[31], in France[32], founded in 1794[33], headquartered in Palaiseau[34]; and École d'application de l'artillerie et du génie in Metz[18], a military academy[35], in France[36].

Career and Affiliations

Recorded occupations include mathematician[6], speleologist[7], meteorologist[8], military engineer[9], and engineer[10]. Henri Brocard's field of work was geometry[14]. He was employed by French Armed Forces[15].

Works and Contributions

Notable works include Brocard's problem[19], a Diophantine equation[37]; Brocard points[20], a triangle center[38]; Brocard's conjecture[21], a conjecture[39]; Brocard circle[22], a circle[40]; Brocard triangle[23]; and Brocard inellipse[24]. Things named for Henri Brocard include Brocard points[41], a triangle center[42]; Brocard's conjecture[43], a conjecture[44]; Brocard triangle[45]; and Brocard circle[46], a circle[47].

Recognition

Awards received include Officer of the Legion of Honour[25], a grade of an order[48], in France[49]; Knight of the Legion of Honour[26], a grade of an order[50], in France[51]; and Knight of the French Order of Academic Palms[27], a grade of an order[52], in France[53].

Death and Burial

Henri Brocard died on January 16, 1922[5]. He died in Bar-le-Duc[4]. Burial took place at Vignot cemetery[12].

Why It Matters

Henri Brocard ranks in the top 0.73% of human entities by monthly Wikipedia readership (26 views/month, #7,289 of 1,000,298).[11] He has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[54] He is known by 15 alternative names across languages and contexts.[55]

Entities named for him include Brocard points[41], a triangle center[42]; Brocard's conjecture[43], a conjecture[44]; Brocard triangle[45]; and Brocard circle[46], a circle[47].

FAQs

Where was Henri Brocard born?

Henri Brocard was born in Vignot[2].

Where did Henri Brocard die?

Henri Brocard died in Bar-le-Duc[4].

What did Henri Brocard do for work?

Henri Brocard worked as mathematician[6], speleologist[7], meteorologist[8], military engineer[9], and engineer[10].

Where did Henri Brocard go to school?

Henri Brocard was educated at Lycée Thiers[16], École polytechnique[17], and École d'application de l'artillerie et du génie in Metz[18].

What awards did Henri Brocard receive?

Honors received include Officer of the Legion of Honour[25], Knight of the Legion of Honour[26], and Knight of the French Order of Academic Palms[27].

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. books.google.cat. Provenance: wikidata.org.
  3. [13] . wikidata.org.
  4. [16] . Q107214470. wikidata.org.
  5. [17] . Q107214470. wikidata.org.
  6. [18] . Q107214470. wikidata.org.
  7. [14] . wikidata.org.
  8. [6] . wikidata.org.
  9. [7] . wikidata.org.
  10. [8] . wikidata.org.
  11. [9] . wikidata.org.
  12. [10] . wikidata.org.
  13. [15] . MacTutor History of Mathematics archive. ac-sciences-lettres-montpellier.fr. Provenance: wikidata.org.
  14. [12] . MacTutor History of Mathematics archive. wikidata.org.
  15. [25] . Léonore database. leonore.archives-nationales.culture.gouv.fr. Provenance: wikidata.org.
  16. [26] . Léonore database. wikidata.org.
  17. [27] . Léonore database. wikidata.org.
  18. [3] . BnF authorities. Retrieved . wikidata.org.
  19. [5] . BnF authorities. Retrieved . wikidata.org.
  20. [19] . wikidata.org.
  21. [20] . wikidata.org.
  22. [21] . wikidata.org.
  23. [22] . wikidata.org.
  24. [23] . wikidata.org.
  25. [24] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [41] . wikidata.org. → on this site
  2. [43] . wikidata.org. → on this site
  3. [45] . wikidata.org. → on this site
  4. [46] . 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. [48] . Wikidata. wikidata.org. → on this site
  11. [49] . Wikidata. wikidata.org. → on this site
  12. [50] . Wikidata. wikidata.org. → on this site
  13. [51] . Wikidata. wikidata.org. → on this site
  14. [52] . Wikidata. wikidata.org. → on this site
  15. [53] . Wikidata. wikidata.org. → on this site
  16. [37] . Wikidata. wikidata.org. → on this site
  17. [38] . Wikidata. wikidata.org. → on this site
  18. [39] . Wikidata. wikidata.org. → on this site
  19. [40] . Wikidata. wikidata.org. → on this site
  20. [42] . Wikidata. wikidata.org. → on this site
  21. [44] . Wikidata. wikidata.org. → on this site
  22. [47] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [11] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [54] . Wikidata sitelinks. wikidata.org.
  3. [55] . Wikidata aliases. wikidata.org.

📑 Cite this page

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). Henri Brocard. Retrieved April 10, 2026, from https://4ort.xyz/entity/henri-brocard-q572312
MLA “Henri Brocard.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/henri-brocard-q572312.
BibTeX @misc{4ortxyz_henri-brocard-q572312_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Henri Brocard}}, year = {2026}, url = {https://4ort.xyz/entity/henri-brocard-q572312}, note = {Accessed: 2026-04-10}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 4w ago · Epìdosis · 2026-05-21 view diff on Wikidata ↗
    Military, police or special rank lieutenant colonel
    Notable work Brocard's problem, Brocard points, Brocard's conjecture +4
    Given name Henri, Pierre, René +1
    Field of work geometry
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32118|batch #32118]]: import P21 and P106 from GND (31)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.