George Willis Ritchey

American astronomer (1864–1945)
Person human Q559015
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George Willis Ritchey

Summary

George Willis Ritchey is a human[1]. His place of birth was Tuppers Plains[2]. He was born on +1864-12-31T00:00:00Z[3]. He died in Azusa[4]. He died on +1945-11-04T00:00:00Z[5]. He worked as an astronomer[6] and optician[7]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (3 views/month, #7,298 of 1,000,298).[8]

Key Facts

  • George Willis Ritchey was born in Tuppers Plains[2].
  • George Willis Ritchey died in Azusa[4].
  • George Willis Ritchey was born on +1864-12-31T00:00:00Z[3].
  • George Willis Ritchey died on +1945-11-04T00:00:00Z[5].
  • George Willis Ritchey held citizenship in United States[9].
  • George Willis Ritchey worked as an astronomer[6].
  • George Willis Ritchey's professions included optician[7].
  • George Willis Ritchey's field of work was astronomy[10].
  • George Willis Ritchey was employed by Mount Wilson Observatory[11].
  • Among George Willis Ritchey's employers was Paris Observatory, PSL University[12].
  • George Willis Ritchey was educated at University of Cincinnati[13].
  • George Willis Ritchey received the Prix Jules Janssen[14].
  • George Willis Ritchey received the Janssen Medal[15].
  • George Willis Ritchey is recorded as male[16].
  • George Willis Ritchey's instance of is recorded as human[17].
  • George Willis Ritchey's ISNI is recorded as 0000000078588036[18].
  • George Willis Ritchey's VIAF cluster ID is recorded as 93754925[19].
  • George Willis Ritchey's GND ID is recorded as 116569980[20].
  • George Willis Ritchey's Library of Congress authority ID is recorded as n90710844[21].
  • George Willis Ritchey's Bibliothèque nationale de France ID is recorded as 12382904z[22].
  • George Willis Ritchey's IdRef ID is recorded as 149698216[23].
  • George Willis Ritchey's Commons category is recorded as George Willis Ritchey[24].
  • George Willis Ritchey's Libraries Australia ID is recorded as 35908049[25].
  • George Willis Ritchey's Freebase ID is recorded as /m/01cwcc[26].
  • George Willis Ritchey's family name is recorded as Ritchey[27].

Body

Origins and Family

Born in Tuppers Plains[2], George Willis Ritchey… he was born on +1864-12-31T00:00:00Z[3].

Education

George Willis Ritchey's education included a stint at University of Cincinnati[13].

Career and Affiliations

Recorded occupations include astronomer[6] and optician[7]. George Willis Ritchey's field of work was astronomy[10]. Employers include Mount Wilson Observatory[11], an astronomical observatory[28], in United States[29], founded in 1904[30] and Paris Observatory, PSL University[12], a grand établissement[31], in France[32], founded in 1667[33], headquartered in Paris[34].

Recognition

Awards received include Prix Jules Janssen[14], a science award[35], in France[36], founded in 1897[37] and Janssen Medal[15], a science award[38], in France[39], founded in 1886[40].

Death and Burial

George Willis Ritchey died on +1945-11-04T00:00:00Z[5]. He passed away in Azusa[4].

Works and Contributions

Things named for George Willis Ritchey include Ritchey–Chrétien telescope[41], founded in 1910[42] and Ritchey[43], an impact crater[44].

Why It Matters

George Willis Ritchey ranks in the top 0.73% of human entities by monthly Wikipedia readership (3 views/month, #7,298 of 1,000,298).[8] He has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[45] He is known by 13 alternative names across languages and contexts.[46]

He is credited with the discovery of Ritchey–Chrétien telescope[47], founded in 1910[48]. Entities named for him include Ritchey–Chrétien telescope[41], founded in 1910[42] and Ritchey[43], an impact crater[44].

FAQs

Where was George Willis Ritchey born?

George Willis Ritchey's place of birth was Tuppers Plains[2].

Where did George Willis Ritchey die?

George Willis Ritchey died in Azusa[4].

What did George Willis Ritchey do for work?

George Willis Ritchey worked as astronomer[6] and optician[7].

Where did George Willis Ritchey go to school?

George Willis Ritchey was educated at University of Cincinnati[13].

What awards did George Willis Ritchey receive?

Honors received include Prix Jules Janssen[14] and Janssen Medal[15].

What did George Willis Ritchey discover?

George Willis Ritchey is credited as discoverer of Ritchey–Chrétien telescope[47].

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. [16] . Integrated Authority File. Retrieved . wikidata.org.
  4. [9] . wikidata.org.
  5. [17] . wikidata.org.
  6. [13] . wikidata.org.
  7. [10] . wikidata.org.
  8. [6] . wikidata.org.
  9. [7] . wikidata.org.
  10. [11] . wikidata.org.
  11. [12] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [18] . International Standard Name Identifier. wikidata.org.
  15. [19] . wikidata.org.
  16. [20] . wikidata.org.
  17. [21] . wikidata.org.
  18. [22] . Virtual International Authority File. Retrieved . wikidata.org.
  19. [23] . Virtual International Authority File. Retrieved . wikidata.org.
  20. [24] . wikidata.org.
  21. [25] . wikidata.org.
  22. [3] . SNAC. Retrieved . wikidata.org.
  23. [5] . SNAC. Retrieved . wikidata.org.
  24. [26] . Freebase Data Dumps. wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [47] . wikidata.org. → on this site
  2. [41] . wikidata.org. → on this site
  3. [43] . 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. [48] . Wikidata. wikidata.org. → on this site
  15. [42] . Wikidata. wikidata.org. → on this site
  16. [44] . 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. [45] . Wikidata sitelinks. wikidata.org.
  3. [46] . 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). George Willis Ritchey. Retrieved April 10, 2026, from https://4ort.xyz/entity/george-willis-ritchey
MLA “George Willis Ritchey.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/george-willis-ritchey.
BibTeX @misc{4ortxyz_george-willis-ritchey_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{George Willis Ritchey}}, year = {2026}, url = {https://4ort.xyz/entity/george-willis-ritchey}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): George Willis Ritchey — https://4ort.xyz/entity/george-willis-ritchey (retrieved 2026-04-10)

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