Harold Jeffreys

British geophysicist and statistician (1891–1989)
Person human Q379999
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Harold Jeffreys

Summary

Harold Jeffreys is a human[1]. He was born in Fatfield[2]. He was born on April 22, 1891[3]. He passed away in Cambridge[4]. He died on March 18, 1989[5]. He worked as a mathematician[6], astronomer[7], statistician[8], seismologist[9], and geophysicist[10]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (205 views/month, #7,253 of 1,000,298).[11]

Key Facts

  • Harold Jeffreys's place of birth was Fatfield[2].
  • Born in England[12], Harold Jeffreys…
  • Harold Jeffreys died in Cambridge[4].
  • Harold Jeffreys was born on April 22, 1891[3].
  • Harold Jeffreys died on March 18, 1989[5].
  • Harold Jeffreys is buried at Church of St Helen[13].
  • Harold Jeffreys was married to Bertha Swirles[14].
  • Harold Jeffreys held citizenship in United Kingdom[15].
  • Harold Jeffreys's professions included mathematician[6].
  • Harold Jeffreys's professions included astronomer[7].
  • Harold Jeffreys worked as a statistician[8].
  • Harold Jeffreys's professions included seismologist[9].
  • Harold Jeffreys worked as a geophysicist[10].
  • Harold Jeffreys's field of work was statistics[16].
  • Harold Jeffreys's field of work was geophysics[17].
  • Harold Jeffreys's field of work was astronomy[18].
  • Harold Jeffreys held the position of Plumian Professor of Astronomy and Experimental Philosophy[19].
  • Harold Jeffreys held the position of President of the Royal Astronomical Society[20].
  • Among Harold Jeffreys's employers was University of Cambridge[21].
  • Harold Jeffreys was employed by Cavendish Laboratory[22].
  • Harold Jeffreys was employed by Met Office[23].
  • Harold Jeffreys's education included a stint at Durham University[24].
  • Harold Jeffreys was educated at St John's College[25].
  • Harold Jeffreys was educated at Newcastle University[26].
  • Harold Jeffreys was educated at University of Cambridge[27].

Body

Origins and Family

Recorded place of birth include Fatfield[2], a suburb[28], in United Kingdom[29] and England[12], a constituent country of the United Kingdom[30], in United Kingdom[31], founded in 0927[32]. Harold Jeffreys was born on April 22, 1891[3].

Education

Educated at Durham University[24], a collegiate university[33], in United Kingdom[34], founded in 1832[35], headquartered in Durham[36]; St John's College[25], a college of the University of Cambridge[37], in United Kingdom[38], founded in 1511[39]; Newcastle University[26], a university[40], in United Kingdom[41], founded in 1963[42], headquartered in Newcastle upon Tyne[43]; and University of Cambridge[27], a collegiate university[44], in United Kingdom[45], founded in 1209[46], headquartered in Cambridge[47]. Harold Jeffreys's doctoral advisor was H. F. Baker[48].

Career and Affiliations

Recorded occupations include mathematician[6], astronomer[7], statistician[8], seismologist[9], and geophysicist[10]. Fields of work include statistics[16], an academic major[49]; geophysics[17], a branch of science[50]; and astronomy[18], a branch of science[51]. Employers include University of Cambridge[21], a collegiate university[52], in United Kingdom[53], founded in 1209[54], headquartered in Cambridge[55]; Cavendish Laboratory[22], an institute[56], in United Kingdom[57], founded in 1874[58]; and Met Office[23], a meteorological service[59], in United Kingdom[60], founded in 1854[61], headquartered in Exeter[62]. Positions held include Plumian Professor of Astronomy and Experimental Philosophy[19], a professorship[63] and President of the Royal Astronomical Society[20], a position[64], in United Kingdom[65], founded in 1821[66]. Doctoral students include Hermann Bondi[67], V. S. Huzurbazar[68], Sydney Goldstein[69], Ernest Ralph Lapwood[70], Michael S. Longuet-Higgins[71], and Andrew Young[72].

Works and Contributions

A notable work attributed to Harold Jeffreys is Jeffreys number[73]. Things named for him include Jeffreys prior[74], a mathematical concept[75].

Recognition

Awards received include Copley Medal[76], a medallion[77], in United Kingdom[78], founded in 1731[79]; Royal Medal[80], a science award[81], in United Kingdom[82], founded in 1826[83]; Gold Medal of the Royal Astronomical Society[84], a science award[85], in United Kingdom[86], founded in 1824[87]; Vetlesen Prize[88], a science award[89], in United States[90], founded in 1959[91]; William Bowie Medal[92]; and Murchison Medal[93].

Personal Life

Among Harold Jeffreys's spouses was Bertha Swirles[14].

Death and Burial

Harold Jeffreys died on March 18, 1989[5]. He passed away in Cambridge[4]. Burial took place at Church of St Helen[13].

Why It Matters

Harold Jeffreys ranks in the top 0.73% of human entities by monthly Wikipedia readership (205 views/month, #7,253 of 1,000,298).[11] He has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[94] He is known by 20 alternative names across languages and contexts.[95]

Entities named for him include Jeffreys prior[74], a mathematical concept[75].

His notable doctoral advisees include Hermann Bondi[96], a mathematician[97], 1919–2005[98], of United Kingdom[99], awarded the Fellow of the Royal Society[100]; Sydney Goldstein[101], a mathematician[102], 1903–1989[103], of United Kingdom[104], awarded the Fellow of the Royal Society[105], specialised in mathematics[106]; and Michael S. Longuet-Higgins[107], a mathematician[108], 1925–2016[109], of United Kingdom[110], awarded the Fellow of the Royal Society[111].

FAQs

Where was Harold Jeffreys born?

Harold Jeffreys's place of birth was Fatfield[2].

Where did Harold Jeffreys die?

Harold Jeffreys passed away in Cambridge[4].

Who was Harold Jeffreys married to?

Harold Jeffreys's spouses include Bertha Swirles[14].

What did Harold Jeffreys do for work?

Harold Jeffreys worked as mathematician[6], astronomer[7], statistician[8], seismologist[9], and geophysicist[10].

Where did Harold Jeffreys go to school?

Harold Jeffreys was educated at Durham University[24], St John's College[25], Newcastle University[26], and University of Cambridge[27].

What awards did Harold Jeffreys receive?

Honors received include Copley Medal[76], Royal Medal[80], Gold Medal of the Royal Astronomical Society[84], and Vetlesen Prize[88].

References

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

Direct Wikidata claims

  1. [2] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  2. [12] ↑ . wikidata.org.
  3. [4] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  4. [14] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  5. [15] ↑ . wikidata.org.
  6. [19] ↑ . Sir Harold Jeffreys, 2 April 1891 - 18 March 1989. royalsocietypublishing.org. Provenance: wikidata.org.
  7. [20] ↑ . wikidata.org.
  8. [24] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  9. [25] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  10. [26] ↑ . Mathematics Genealogy Project. wikidata.org.
  11. [27] ↑ . Mathematics Genealogy Project. wikidata.org.
  12. [16] ↑ . wikidata.org.
  13. [17] ↑ . wikidata.org.
  14. [18] ↑ . wikidata.org.
  15. [6] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  16. [7] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  17. [8] ↑ . wikidata.org.
  18. [9] ↑ . wikidata.org.
  19. [10] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  20. [21] ↑ . MacTutor History of Mathematics archive. royalsocietypublishing.org. Provenance: wikidata.org.
  21. [22] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  22. [23] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  23. [13] ↑ . Find a Grave. wikidata.org.
  24. [76] ↑ . Sir Harold Jeffreys, 2 April 1891 - 18 March 1989. Retrieved . docs.google.com. Provenance: wikidata.org.
  25. [80] ↑ . Sir Harold Jeffreys, 2 April 1891 - 18 March 1989. royalsocietypublishing.org. Provenance: wikidata.org.
  26. [84] ↑ . Sir Harold Jeffreys, 2 April 1891 - 18 March 1989. royalsocietypublishing.org. Provenance: wikidata.org.
  27. [88] ↑ . Sir Harold Jeffreys, 2 April 1891 - 18 March 1989. royalsocietypublishing.org. Provenance: wikidata.org.
  28. [92] ↑ . Sir Harold Jeffreys, 2 April 1891 - 18 March 1989. honors.agu.org. Provenance: wikidata.org.
  29. [93] ↑ . Sir Harold Jeffreys, 2 April 1891 - 18 March 1989. royalsocietypublishing.org. Provenance: wikidata.org.
  30. [48] ↑ . Mathematics Genealogy Project. wikidata.org.
  31. [67] ↑ . Mathematics Genealogy Project. wikidata.org.
  32. [68] ↑ . Mathematics Genealogy Project. wikidata.org.
  33. [69] ↑ . Mathematics Genealogy Project. wikidata.org.
  34. [70] ↑ . Mathematics Genealogy Project. wikidata.org.
  35. [71] ↑ . Mathematics Genealogy Project. wikidata.org.
  36. [72] ↑ . Mathematics Genealogy Project. wikidata.org.
  37. [3] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  38. [5] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  39. [73] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

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  2. [101] ↑ . wikidata.org. → on this site
  3. [107] ↑ . wikidata.org. → on this site
  4. [74] ↑ . 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
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  6. [63] ↑ . Wikidata. wikidata.org. → on this site
  7. [64] ↑ . Wikidata. wikidata.org. → on this site
  8. [65] ↑ . Wikidata. wikidata.org. → on this site
  9. [66] ↑ . Wikidata. wikidata.org. → on this site
  10. [33] ↑ . Wikidata. wikidata.org. → on this site
  11. [34] ↑ . Wikidata. wikidata.org. → on this site
  12. [35] ↑ . Wikidata. wikidata.org. → on this site
  13. [36] ↑ . Wikidata. wikidata.org. → on this site
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  39. [77] ↑ . Wikidata. wikidata.org. → on this site
  40. [78] ↑ . Wikidata. wikidata.org. → on this site
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  42. [81] ↑ . Wikidata. wikidata.org. → on this site
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  48. [89] ↑ . Wikidata. wikidata.org. → on this site
  49. [90] ↑ . Wikidata. wikidata.org. → on this site
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  51. [97] ↑ . Wikidata. wikidata.org. → on this site
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  63. [111] ↑ . Wikidata. wikidata.org. → on this site
  64. [75] ↑ . 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. [94] ↑ . Wikidata sitelinks. wikidata.org.
  3. [95] ↑ . 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). Harold Jeffreys. Retrieved October 10, 2026, from https://4ort.xyz/entity/harold-jeffreys
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BibTeX @misc{4ortxyz_harold-jeffreys_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Harold Jeffreys}}, year = {2026}, url = {https://4ort.xyz/entity/harold-jeffreys}, note = {Accessed: 2026-10-10}}
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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 · 2026-10-07 view diff on Wikidata ↗
    Wikipedia languages → ['ar', 'arz', 'ca', 'da', 'de', 'en', 'es', 'eu', 'fa', 'fr', 'he', 'ht', 'id',
    Nlb authority id (belarus) → NLB-ar1839344
    Claims rich → —
    "/* wbcreateclaim-create:1| */ [[Property:P3390]]: NLB-ar1839344, [[:toollabs:quickstatements/#/batch/289738|batch #289738]]"
  2. 4w ago · Python72 · 2026-09-09 view diff on Wikidata ↗
    Position held → Plumian Professor of Astronomy and Experimental Philosophy, President of the Royal Astronomical Society
    "/* wbsetclaim-update:2||1 */ [[Property:P19]]: [[Q5437466]]"
  3. 9w ago · Epìdosis · 2026-08-04 view diff on Wikidata ↗
    Accademia nazionale dei lincei id → 1193-jeffreys-sir-harold
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/45365|batch #45365]]: Update P14091 IDs"
  4. 20w ago · Epìdosis · 2026-05-20 view diff on Wikidata ↗
    Notable work → Jeffreys number, Jeffreys prior
    Given name → Harold
    Field of work → statistics, geophysics, astronomy
    Doctoral student → Hermann Bondi, V. S. Huzurbazar, Sydney Goldstein +6
    + 31 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)"
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