Jean Focas

Greco-French astronomer (1909-1969)
Person human Q3080542
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Summary

Jean Focas was born on July 20, 1909[1], in Corfu[2]. He died on January 3, 1969[3], in Greece[4]. He worked as an astronomer[5] and selenographer[6]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (13 views/month, #7,299 of 1,000,298).[7]

Key Facts

  • Place of death: Athens[8]
  • Country of citizenship: France[9], Greece[10]
  • Native language: Modern Greek[11]
  • Field of work: astronomy[12]
  • Employer: Corfu Observatory[13], National Observatory of Athens[14], Pic du Midi Observatory[15], Paris Observatory, PSL University[16]
  • Educated at: University of Paris[17]
  • Sex or gender: male[18]
  • Commons category: Jean Focas[19]
  • Family name: Focas[20]
  • Given name: Jean[21]
  • Languages spoken, written or signed: French[22], English[23], German[24], Modern Greek[25]
  • Name in native language: Jean-Henri Focas[26], Ιωάννης Ε. Φωκάς[27]
  • Copyright status as a creator: works protected by copyrights[28]

Body

Works and Contributions

Things named for Jean Focas include Focas[29], an impact crater[30].

Why It Matters

Jean Focas has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[31] He is known by 13 alternative names across languages and contexts.[32]

Entities named for him include Focas[29], an impact crater[30].

FAQs

Where was Jean Focas born?

Jean Focas was born in Corfu[2].

Where did Jean Focas die?

Jean Focas died in Greece[4].

What did Jean Focas do for work?

Jean Focas worked as an astronomer[5] and selenographer[6].

Where did Jean Focas go to school?

Jean Focas was educated at University of Paris[17].

References

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

Direct Wikidata claims

  1. [2] ↑ . articles.adsabs.harvard.edu. articles.adsabs.harvard.edu. Provenance: wikidata.org.
  2. [4] ↑ . articles.adsabs.harvard.edu. articles.adsabs.harvard.edu. Provenance: wikidata.org.
  3. [8] ↑ . wikidata.org.
  4. [18] ↑ . wikidata.org.
  5. [9] ↑ . wikidata.org.
  6. [10] ↑ . wikidata.org.
  7. [17] ↑ . wikidata.org.
  8. [12] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [5] ↑ . wikidata.org.
  11. [6] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [19] ↑ . wikidata.org.
  17. [1] ↑ . wikidata.org.
  18. [3] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.
  26. [27] ↑ . wikidata.org.
  27. [28] ↑ . Retrieved . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [29] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [30] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [7] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [31] ↑ . Wikidata sitelinks. wikidata.org.
  3. [32] ↑ . 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). Jean Focas. Retrieved October 11, 2026, from https://4ort.xyz/entity/jean-focas
MLA “Jean Focas.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/jean-focas.
BibTeX @misc{4ortxyz_jean-focas_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Jean Focas}}, year = {2026}, url = {https://4ort.xyz/entity/jean-focas}, note = {Accessed: 2026-10-11}}
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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. 2d ago · Epìdosis · 2026-10-10 view diff on Wikidata ↗
    Native language → Modern Greek
    Claims rich → —
    "/* wbremoveclaims-remove:1| */ Native language: Greek, [[:toollabs:quickstatements/#/batch/289946|batch #289946]]"
  2. 6d ago · Printstream · 2026-10-06 view diff on Wikidata ↗
    Field of work → astronomy
    Place of birth → Corfu
    Educated at → University of Paris
    Family name → Focas
    + 18 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/57880|batch #57880]]: Import more precise places of birth, date from dewiki"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.