Frederick C. Leonard

American astronomer
Person human Q3087103
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Frederick C. Leonard

Summary

Frederick C. Leonard is a human[1]. His place of birth was Mount Vernon[2]. He was born on +1896-03-12T00:00:00Z[3]. He passed away in Los Angeles[4]. He died on +1960-06-23T00:00:00Z[5]. He worked as an astronomer[6]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (2 views/month, #7,299 of 1,000,298).[7]

Key Facts

  • Frederick C. Leonard was born in Mount Vernon[2].
  • Frederick C. Leonard died in Los Angeles[4].
  • Frederick C. Leonard was born on +1896-03-12T00:00:00Z[3].
  • Frederick C. Leonard died on +1960-06-23T00:00:00Z[5].
  • Frederick C. Leonard held citizenship in United States[8].
  • Frederick C. Leonard's professions included astronomer[6].
  • Among Frederick C. Leonard's employers was University of California, Los Angeles[9].
  • Frederick C. Leonard's education included a stint at University of Chicago[10].
  • Frederick C. Leonard was educated at University of California, Berkeley[11].
  • Frederick C. Leonard's education included a stint at Hyde Park Academy High School[12].
  • Frederick C. Leonard's image is recorded as FCL1947.jpg[13].
  • Frederick C. Leonard is recorded as male[14].
  • Frederick C. Leonard's instance of is recorded as human[15].
  • Frederick C. Leonard's Library of Congress authority ID is recorded as no2020095696[16].
  • Frederick C. Leonard's Freebase ID is recorded as /m/02rzxln[17].
  • Frederick C. Leonard's family name is recorded as Leonard[18].
  • Frederick C. Leonard's given name is recorded as Frederick[19].
  • Frederick C. Leonard's Encyclopædia Britannica Online ID is recorded as biography/Frederick-C-Leonard[20].
  • Frederick C. Leonard's WikiTree person ID is recorded as Leonard-4227[21].
  • Frederick C. Leonard's Prabook ID is recorded as 1106027[22].
  • Frederick C. Leonard's GeneaStar person ID is recorded as leonardf[23].
  • Frederick C. Leonard's AstroGen ID is recorded as 774[24].

Body

Origins and Family

Frederick C. Leonard was born in Mount Vernon[2]. He was born on +1896-03-12T00:00:00Z[3].

Education

Educated at University of Chicago[10], a private university[25], in United States[26], founded in 1890[27], headquartered in Chicago[28]; University of California, Berkeley[11], a public research university[29], in United States[30], founded in 1868[31], headquartered in Berkeley[32]; and Hyde Park Academy High School[12], a high school[33], in United States[34], founded in 1863[35].

Career and Affiliations

Frederick C. Leonard worked as an astronomer[6]. Among his employers was University of California, Los Angeles[9].

Death and Burial

Frederick C. Leonard died on +1960-06-23T00:00:00Z[5]. He passed away in Los Angeles[4].

Works and Contributions

Things named for Frederick C. Leonard include Leonard Medal[36], a science award[37], in United States[38], founded in 1962[39].

Why It Matters

Frederick C. Leonard ranks in the top 0.73% of human entities by monthly Wikipedia readership (2 views/month, #7,299 of 1,000,298).[7] He has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[40] He is known by 5 alternative names across languages and contexts.[41]

Entities named for him include Leonard Medal[36], a science award[37], in United States[38], founded in 1962[39].

FAQs

Where was Frederick C. Leonard born?

Frederick C. Leonard was born in Mount Vernon[2].

Where did Frederick C. Leonard die?

Frederick C. Leonard passed away in Los Angeles[4].

What did Frederick C. Leonard do for work?

Frederick C. Leonard worked as astronomer[6].

Where did Frederick C. Leonard go to school?

Frederick C. Leonard was educated at University of Chicago[10], University of California, Berkeley[11], and Hyde Park Academy High School[12].

References

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

Direct Wikidata claims

  1. [13] . wikidata.org.
  2. [2] . wikidata.org.
  3. [4] . wikidata.org.
  4. [14] . wikidata.org.
  5. [8] . wikidata.org.
  6. [15] . wikidata.org.
  7. [10] . wikidata.org.
  8. [11] . wikidata.org.
  9. [12] . Retrieved . wikidata.org.
  10. [6] . wikidata.org.
  11. [9] . wikidata.org.
  12. [16] . Library of Congress Name Authority File. Retrieved . wikidata.org.
  13. [3] . GeneaStar. wikidata.org.
  14. [5] . GeneaStar. wikidata.org.
  15. [17] . Freebase Data Dumps. wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [36] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [25] . Wikidata. wikidata.org. → on this site
  2. [26] . Wikidata. wikidata.org. → on this site
  3. [27] . Wikidata. wikidata.org. → on this site
  4. [28] . Wikidata. wikidata.org. → on this site
  5. [29] . Wikidata. wikidata.org. → on this site
  6. [30] . Wikidata. wikidata.org. → on this site
  7. [31] . Wikidata. wikidata.org. → on this site
  8. [32] . Wikidata. wikidata.org. → on this site
  9. [33] . Wikidata. wikidata.org. → on this site
  10. [34] . Wikidata. wikidata.org. → on this site
  11. [35] . Wikidata. wikidata.org. → on this site
  12. [37] . Wikidata. wikidata.org. → on this site
  13. [38] . Wikidata. wikidata.org. → on this site
  14. [39] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [7] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [40] . Wikidata sitelinks. wikidata.org.
  3. [41] . 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). Frederick C. Leonard. Retrieved April 10, 2026, from https://4ort.xyz/entity/frederick-c-leonard
MLA “Frederick C. Leonard.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/frederick-c-leonard.
BibTeX @misc{4ortxyz_frederick-c-leonard_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Frederick C. Leonard}}, year = {2026}, url = {https://4ort.xyz/entity/frederick-c-leonard}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Frederick C. Leonard — https://4ort.xyz/entity/frederick-c-leonard (retrieved 2026-04-10)

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