Laurent Cassegrain

French priest, astronomer and physicist (1629-1693)
Person human Q1352012
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Laurent Cassegrain

Summary

Laurent Cassegrain is a human[1]. He was born in Chartres[2]. He was born on +1629-01-01T00:00:00Z[3]. He died in Chaudon[4]. He died on +1693-08-30T00:00:00Z[5]. He worked as an astronomer[6] and physicist[7]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (11 views/month, #7,290 of 1,000,298).[8]

Key Facts

  • Laurent Cassegrain was born in Chartres[2].
  • Laurent Cassegrain passed away in Chaudon[4].
  • Laurent Cassegrain was born on +1629-01-01T00:00:00Z[3].
  • Laurent Cassegrain died on +1693-08-30T00:00:00Z[5].
  • Laurent Cassegrain held citizenship in France[9].
  • Laurent Cassegrain's professions included astronomer[6].
  • Laurent Cassegrain worked as a physicist[7].
  • Laurent Cassegrain's field of work was optics[10].
  • Laurent Cassegrain held the position of teacher[11].
  • Laurent Cassegrain held the position of parochus[12].
  • A notable work attributed to Laurent Cassegrain is Cassegrain reflecting telescope[13].
  • Laurent Cassegrain's religion is recorded as Catholicism[14].
  • Laurent Cassegrain is recorded as male[15].
  • Laurent Cassegrain's instance of is recorded as human[16].
  • Laurent Cassegrain's family is recorded as Q131598874[17].
  • Laurent Cassegrain's Commons category is recorded as Laurent Cassegrain[18].
  • Laurent Cassegrain's Freebase ID is recorded as /m/028c3s[19].
  • Laurent Cassegrain's family name is recorded as Cassegrain[20].
  • Laurent Cassegrain's given name is recorded as Laurent[21].
  • Laurent Cassegrain's Gran Enciclopèdia Catalana ID is recorded as 0015828[22].
  • Laurent Cassegrain's languages spoken, written or signed is recorded as French[23].
  • Laurent Cassegrain's Commons Creator page is recorded as Laurent Cassegrain[24].
  • Laurent Cassegrain's name in native language is recorded as {'lang': 'fr', 'text': 'Laurent Cassegrain'}[25].
  • Laurent Cassegrain's Encyclopædia Universalis ID is recorded as nicolas-cassegrain[26].
  • Laurent Cassegrain's Larousse ID is recorded as personnage/Laurent_Cassegrain/103486[27].

Body

Origins and Family

Born in Chartres[2], Laurent Cassegrain… he was born on +1629-01-01T00:00:00Z[3].

Career and Affiliations

Recorded occupations include astronomer[6] and physicist[7]. Laurent Cassegrain's field of work was optics[10]. Positions held include teacher[11], a profession[28] and parochus[12], an ecclesiastical occupation[29].

Works and Contributions

A notable work attributed to Laurent Cassegrain is Cassegrain reflecting telescope[13]. Things named for him include Cassegrain mirror system[30]; Schmidt–Cassegrain telescope[31], an astronomical instrument[32]; Cassegrain[33], a lunar crater[34]; and Cassegrain reflecting telescope[35].

Personal Life

Laurent Cassegrain's religion is recorded as Catholicism[14].

Death and Burial

Laurent Cassegrain died on +1693-08-30T00:00:00Z[5]. He passed away in Chaudon[4].

Why It Matters

Laurent Cassegrain ranks in the top 0.73% of human entities by monthly Wikipedia readership (11 views/month, #7,290 of 1,000,298).[8] He has Wikipedia articles in 16 language editions, a strong signal of global cultural recognition.[36] He is known by 6 alternative names across languages and contexts.[37]

He is credited with the discovery of Cassegrain mirror system[38]. Entities named for him include Cassegrain mirror system[30]; Schmidt–Cassegrain telescope[31], an astronomical instrument[32]; Cassegrain[33], a lunar crater[34]; and Cassegrain reflecting telescope[35].

FAQs

Where was Laurent Cassegrain born?

Laurent Cassegrain was born in Chartres[2].

Where did Laurent Cassegrain die?

Laurent Cassegrain died in Chaudon[4].

What did Laurent Cassegrain do for work?

Laurent Cassegrain worked as astronomer[6] and physicist[7].

What did Laurent Cassegrain discover?

Laurent Cassegrain is credited as discoverer of Cassegrain mirror system[38].

References

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

Direct Wikidata claims

  1. [2] . Biographical Encyclopedia of Astronomers. wikidata.org.
  2. [4] . Biographical Encyclopedia of Astronomers. wikidata.org.
  3. [15] . wikidata.org.
  4. [9] . wikidata.org.
  5. [16] . wikidata.org.
  6. [11] . dm.chaudon.pagesperso-orange.fr. dm.chaudon.pagesperso-orange.fr. Provenance: wikidata.org.
  7. [12] . dm.chaudon.pagesperso-orange.fr. dm.chaudon.pagesperso-orange.fr. Provenance: wikidata.org.
  8. [17] . wikidata.org.
  9. [10] . wikidata.org.
  10. [6] . wikidata.org.
  11. [7] . Retrieved . wikidata.org.
  12. [14] . wikidata.org.
  13. [18] . wikidata.org.
  14. [3] . Biographical Encyclopedia of Astronomers. wikidata.org.
  15. [5] . Biographical Encyclopedia of Astronomers. wikidata.org.
  16. [19] . Freebase Data Dumps. wikidata.org.
  17. [20] . wikidata.org.
  18. [21] . wikidata.org.
  19. [13] . lindahall.org. lindahall.org. Provenance: wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [38] . wikidata.org. → on this site
  2. [30] . wikidata.org. → on this site
  3. [31] . wikidata.org. → on this site
  4. [33] . wikidata.org. → on this site
  5. [35] . 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. [32] . Wikidata. wikidata.org. → on this site
  4. [34] . 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. [36] . Wikidata sitelinks. wikidata.org.
  3. [37] . 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). Laurent Cassegrain. Retrieved April 10, 2026, from https://4ort.xyz/entity/laurent-cassegrain
MLA “Laurent Cassegrain.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/laurent-cassegrain.
BibTeX @misc{4ortxyz_laurent-cassegrain_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Laurent Cassegrain}}, year = {2026}, url = {https://4ort.xyz/entity/laurent-cassegrain}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Laurent Cassegrain — https://4ort.xyz/entity/laurent-cassegrain (retrieved 2026-04-10)

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