John Louis Emil Dreyer

Danish-Irish astronomer
Person human Q265015
John Louis Emil Dreyer
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John Louis Emil Dreyer

Summary

John Louis Emil Dreyer is a human[1]. His place of birth was Copenhagen[2]. He was born on +1852-02-13T00:00:00Z[3]. He passed away in Oxford[4]. He died on +1926-09-14T00:00:00Z[5]. He worked as an astronomer[6] and biographer[7]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (22 views/month, #7,285 of 1,000,298).[8]

Key Facts

  • John Louis Emil Dreyer's place of birth was Copenhagen[2].
  • John Louis Emil Dreyer passed away in Oxford[4].
  • John Louis Emil Dreyer was born on +1852-02-13T00:00:00Z[3].
  • John Louis Emil Dreyer died on +1926-09-14T00:00:00Z[5].
  • John Louis Emil Dreyer's father was Frederik Dreyer[9].
  • John Louis Emil Dreyer was married to Katherine Hannah Tuthill[10].
  • A child of John Louis Emil Dreyer was Frederic Charles Dreyer[11].
  • A child of John Louis Emil Dreyer was John Tuthill Dreyer[12].
  • John Louis Emil Dreyer held citizenship in Kingdom of Denmark[13].
  • John Louis Emil Dreyer held citizenship in Ireland[14].
  • John Louis Emil Dreyer held citizenship in United Kingdom[15].
  • John Louis Emil Dreyer worked as an astronomer[6].
  • John Louis Emil Dreyer's professions included biographer[7].
  • John Louis Emil Dreyer's field of work was astronomy[16].
  • Among John Louis Emil Dreyer's employers was Armagh Observatory[17].
  • John Louis Emil Dreyer received the Gold Medal of the Royal Astronomical Society[18].
  • John Louis Emil Dreyer received the honorary doctor of Queen's University Belfast[19].
  • John Louis Emil Dreyer was a member of Royal Danish Academy of Sciences and Letters[20].
  • John Louis Emil Dreyer is recorded as male[21].
  • John Louis Emil Dreyer's instance of is recorded as human[22].
  • John Louis Emil Dreyer's Commons category is recorded as John Louis Emil Dreyer[23].
  • John Louis Emil Dreyer's family name is recorded as Dreyer[24].
  • John Louis Emil Dreyer's given name is recorded as John[25].
  • John Louis Emil Dreyer's given name is recorded as Louis[26].
  • John Louis Emil Dreyer's given name is recorded as Emil[27].

Body

Origins and Family

John Louis Emil Dreyer was born in Copenhagen[2]. He was born on +1852-02-13T00:00:00Z[3]. His father was Frederik Dreyer[9].

Career and Affiliations

Recorded occupations include astronomer[6] and biographer[7]. John Louis Emil Dreyer's field of work was astronomy[16]. Among his employers was Armagh Observatory[17].

Recognition

Awards received include Gold Medal of the Royal Astronomical Society[18], a science award[28], in United Kingdom[29], founded in 1824[30] and honorary doctor of Queen's University Belfast[19], an award[31], in United Kingdom[32].

Personal Life

John Louis Emil Dreyer was married to Katherine Hannah Tuthill[10]. Children include Frederic Charles Dreyer[11], a naval officer[33], 1878–1956[34], awarded the Knight Grand Cross of the Order of the British Empire[35] and John Tuthill Dreyer[12], 1877–1959[36].

Death and Burial

John Louis Emil Dreyer died on +1926-09-14T00:00:00Z[5]. He passed away in Oxford[4].

Works and Contributions

Things named for John Louis Emil Dreyer include Dreyer[37].

Why It Matters

John Louis Emil Dreyer ranks in the top 0.73% of human entities by monthly Wikipedia readership (22 views/month, #7,285 of 1,000,298).[8] He has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[38] He is known by 14 alternative names across languages and contexts.[39]

He is credited with the discovery of NGC 373[40], an elliptical galaxy[41]; NGC 372[42], an asterism[43]; NGC 4011[44], an emission-line galaxy[45]; NGC 4015-2[46], a low-surface-brightness galaxy[47]; NGC 5226[48], a galaxy[49]; and NGC 1195[50], a galaxy[51]. Works attributed to him include New General Catalogue[52]. Entities named for him include Dreyer[37].

FAQs

Where was John Louis Emil Dreyer born?

Born in Copenhagen[2], John Louis Emil Dreyer…

Where did John Louis Emil Dreyer die?

John Louis Emil Dreyer passed away in Oxford[4].

Who were John Louis Emil Dreyer's parents?

John Louis Emil Dreyer's father was Frederik Dreyer[9].

Who was John Louis Emil Dreyer married to?

John Louis Emil Dreyer's spouses include Katherine Hannah Tuthill[10].

What did John Louis Emil Dreyer do for work?

John Louis Emil Dreyer worked as astronomer[6] and biographer[7].

What awards did John Louis Emil Dreyer receive?

Honors received include Gold Medal of the Royal Astronomical Society[18] and honorary doctor of Queen's University Belfast[19].

What did John Louis Emil Dreyer discover?

John Louis Emil Dreyer is credited as discoverer of NGC 373[40], NGC 372[42], NGC 4011[44], and NGC 4015-2[46].

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. [21] . Integrated Authority File. Retrieved . wikidata.org.
  4. [9] . The Peerage. wikidata.org.
  5. [10] . Retrieved . wikidata.org.
  6. [13] . wikidata.org.
  7. [14] . wikidata.org.
  8. [15] . wikidata.org.
  9. [22] . wikidata.org.
  10. [11] . The Peerage. wikidata.org.
  11. [12] . The Peerage. wikidata.org.
  12. [16] . wikidata.org.
  13. [6] . Integrated Authority File. Retrieved . wikidata.org.
  14. [7] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . qub.ac.uk. qub.ac.uk. Provenance: wikidata.org.
  18. [23] . wikidata.org.
  19. [20] . wikidata.org.
  20. [3] . Encyclopædia Britannica Online. Retrieved . wikidata.org.
  21. [5] . Encyclopædia Britannica Online. Retrieved . 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. [40] . wikidata.org. → on this site
  2. [42] . wikidata.org. → on this site
  3. [44] . wikidata.org. → on this site
  4. [46] . wikidata.org. → on this site
  5. [48] . wikidata.org. → on this site
  6. [50] . wikidata.org. → on this site
  7. [52] . wikidata.org. → on this site
  8. [37] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [33] . Wikidata. wikidata.org. → on this site
  2. [34] . Wikidata. wikidata.org. → on this site
  3. [35] . Wikidata. wikidata.org. → on this site
  4. [36] . Wikidata. wikidata.org. → on this site
  5. [28] . Wikidata. wikidata.org. → on this site
  6. [29] . Wikidata. wikidata.org. → on this site
  7. [30] . Wikidata. wikidata.org. → on this site
  8. [31] . Wikidata. wikidata.org. → on this site
  9. [32] . Wikidata. wikidata.org. → on this site
  10. [41] . Wikidata. wikidata.org. → on this site
  11. [43] . Wikidata. wikidata.org. → on this site
  12. [45] . Wikidata. wikidata.org. → on this site
  13. [47] . Wikidata. wikidata.org. → on this site
  14. [49] . Wikidata. wikidata.org. → on this site
  15. [51] . 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. [38] . Wikidata sitelinks. wikidata.org.
  3. [39] . 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). John Louis Emil Dreyer. Retrieved April 10, 2026, from https://4ort.xyz/entity/john-louis-emil-dreyer
MLA “John Louis Emil Dreyer.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/john-louis-emil-dreyer.
BibTeX @misc{4ortxyz_john-louis-emil-dreyer_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{John Louis Emil Dreyer}}, year = {2026}, url = {https://4ort.xyz/entity/john-louis-emil-dreyer}, note = {Accessed: 2026-04-10}}
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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. 4w ago · Bargioni · 2026-05-07 view diff on Wikidata ↗
    Occupation
    Local thumb
    Member of
    Languages spoken, written or signed Danish, English
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30468|batch #30468]]: add P1810 to P5739 2/3"
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