Léopold Leau

French mathematician and linguist (1868–1943)
Person human Q3710559
Léopold Leau
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Léopold Leau

Summary

Léopold Leau is a human[1]. His place of birth was France[2]. He was born on April 6, 1868[3]. He passed away in France[4]. He died on December 28, 1943[5]. He worked as a mathematician[6], linguist[7], Idist[8], Esperantist[9], and university teacher[10]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (17 views/month, #7,300 of 1,000,298).[11]

Key Facts

  • Léopold Leau's place of birth was France[2].
  • Léopold Leau passed away in France[4].
  • Léopold Leau was born on April 6, 1868[3].
  • Léopold Leau died on December 28, 1943[5].
  • Léopold Leau held citizenship in France[12].
  • Léopold Leau's professions included mathematician[6].
  • Léopold Leau worked as a linguist[7].
  • Léopold Leau worked as an Idist[8].
  • Léopold Leau worked as an Esperantist[9].
  • Léopold Leau worked as a university teacher[10].
  • Léopold Leau's field of work was mathematics[13].
  • Léopold Leau's field of work was linguistics[14].
  • Léopold Leau's field of work was interlinguistics[15].
  • Léopold Leau's field of work was constructed language[16].
  • Léopold Leau's field of work was Esperanto[17].
  • Léopold Leau's education included a stint at University of Paris[18].
  • Léopold Leau's doctoral advisor was Gabriel Xavier Paul Koenigs[19].
  • Léopold Leau is recorded as male[20].
  • Léopold Leau's instance of is recorded as human[21].
  • Léopold Leau's Commons category is recorded as Léopold Leau[22].
  • Léopold Leau's family name is recorded as Leau[23].
  • Léopold Leau's given name is recorded as Léopold[24].
  • Léopold Leau's languages spoken, written or signed is recorded as Ido[25].
  • Léopold Leau's languages spoken, written or signed is recorded as French[26].
  • Léopold Leau's languages spoken, written or signed is recorded as Esperanto[27].

Body

Origins and Family

Born in France[2], Léopold Leau… he was born on April 6, 1868[3].

Education

Léopold Leau was educated at University of Paris[18]. His doctoral advisor was Gabriel Xavier Paul Koenigs[19].

Career and Affiliations

Recorded occupations include mathematician[6], linguist[7], Idist[8], Esperantist[9], and university teacher[10]. Fields of work include mathematics[13], an academic discipline[28]; linguistics[14], an academic discipline[29]; interlinguistics[15], an academic major[30]; constructed language[16], a type of language[31]; and Esperanto[17], a planned language[32], in Esperantujo[33], founded in 1887[34].

Death and Burial

Léopold Leau died on December 28, 1943[5]. He passed away in France[4].

Why It Matters

Léopold Leau ranks in the top 0.73% of human entities by monthly Wikipedia readership (17 views/month, #7,300 of 1,000,298).[11] He has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[35] He is known by 4 alternative names across languages and contexts.[36]

FAQs

Where was Léopold Leau born?

Léopold Leau's place of birth was France[2].

Where did Léopold Leau die?

Léopold Leau died in France[4].

What did Léopold Leau do for work?

Léopold Leau worked as mathematician[6], linguist[7], Idist[8], Esperantist[9], and university teacher[10].

Where did Léopold Leau go to school?

Léopold Leau was educated at University of Paris[18].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [20] ↑ . Virtual International Authority File. Retrieved . wikidata.org.
  4. [12] ↑ . wikidata.org.
  5. [21] ↑ . BnF authorities. Retrieved . wikidata.org.
  6. [18] ↑ . Mathematics Genealogy Project. wikidata.org.
  7. [13] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  8. [14] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  9. [15] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  10. [16] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  11. [17] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  12. [6] ↑ . wikidata.org.
  13. [7] ↑ . wikidata.org.
  14. [8] ↑ . wikidata.org.
  15. [9] ↑ . Retrieved . wikidata.org.
  16. [10] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  17. [19] ↑ . Mathematics Genealogy Project. wikidata.org.
  18. [22] ↑ . wikidata.org.
  19. [3] ↑ . BnF authorities. Retrieved . data.bnf.fr. Provenance: wikidata.org.
  20. [5] ↑ . BnF authorities. Retrieved . data.bnf.fr. Provenance: wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  24. [26] ↑ . BnF authorities. Retrieved . data.bnf.fr. Provenance: wikidata.org.
  25. [27] ↑ . Czech National Authority Database. Retrieved . wikidata.org.

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

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [11] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [35] ↑ . Wikidata sitelinks. wikidata.org.
  3. [36] ↑ . 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). Léopold Leau. Retrieved October 2, 2026, from https://4ort.xyz/entity/l-opold-leau
MLA “Léopold Leau.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Oct. 2026, https://4ort.xyz/entity/l-opold-leau.
BibTeX @misc{4ortxyz_l-opold-leau_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Léopold Leau}}, year = {2026}, url = {https://4ort.xyz/entity/l-opold-leau}, note = {Accessed: 2026-10-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Léopold Leau — https://4ort.xyz/entity/l-opold-leau (retrieved 2026-10-02)

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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. 19w ago · Epìdosis · 2026-05-20 view diff on Wikidata ↗
    Given name → Léopold
    Field of work → mathematics, linguistics, interlinguistics +2
    Family name → Leau
    Country of citizenship → France
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32085|batch #32085]]: import P21 and P106 from GND (27)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.