Baltazar Mathias Keilhau

Norwegian geologist and professor (1797-1858)
Person human Q893022
Baltazar Mathias Keilhau
Christiane Schreiber · Public Domain · Wikimedia
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Summary

Baltazar Mathias Keilhau was born on November 2, 1797[1], in Biri[2]. He died on January 1, 1858[3], in Christiania[4]. He worked as a geologist[5]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (48 views/month, #7,296 of 1,000,298).[6]

Key Facts

  • Father: John David Bertram Keilhau[7]
  • Spouse: Christine Kemp[8]
  • Country of citizenship: Norway[9]
  • Field of work: geology[10]
  • Position held: professor[11]
  • Employer: University of Oslo[12]
  • Educated at: University of Oslo[13]
  • Award received: Knight of the Order of St. Olav‎[14], Knight Officer of the Order of the Polar Star[15]
  • Member of: Royal Swedish Academy of Sciences[16], Royal Norwegian Society of Sciences and Letters[17], Knight of the Order of Vasa[18], Knight of the Order of the Polar Star[19]
  • Sex or gender: male[20]
  • Commons category: Baltazar Mathias Keilhau[21]
  • Residence: Biri[22]
  • Family name: Keilhau[23]
  • Given name: Balthazar[24]
  • Depicted by: Q113159992[25], Portrait of Balthazar Mathias Keilhau[26]
  • Described by source: Brockhaus and Efron Encyclopedic Dictionary[27], Meyers Konversations-Lexikon, 4th edition (1885–1890)[28]
  • Languages spoken, written or signed: Norwegian[29]
  • Commons Creator page: Baltazar Mathias Keilhau[30]
  • Name in native language: Baltazar Mathias Keilhau[31]
  • P14397: 2651[32]
  • P14822: balthazar-mathias-keilhau[33]

Body

Works and Contributions

Things named for Baltazar Mathias Keilhau include Keilhauia[34], a fossil taxon[35]; Keilhau Glacier[36], a glacier[37], in United Kingdom[38]; and Keilhaufjellet[39], a mountain[40], in Norway[41].

Why It Matters

Baltazar Mathias Keilhau has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.[42] He is known by 21 alternative names across languages and contexts.[43]

Entities named for him include Keilhauia[34], a fossil taxon[35]; Keilhau Glacier[36], a glacier[37], in United Kingdom[38]; and Keilhaufjellet[39], a mountain[40], in Norway[41].

FAQs

Where was Baltazar Mathias Keilhau born?

Baltazar Mathias Keilhau's place of birth was Biri[2].

Where did Baltazar Mathias Keilhau die?

Baltazar Mathias Keilhau died in Christiania[4].

Who were Baltazar Mathias Keilhau's parents?

Baltazar Mathias Keilhau's father was John David Bertram Keilhau[7].

Who was Baltazar Mathias Keilhau married to?

Baltazar Mathias Keilhau's spouses include Christine Kemp[8].

What did Baltazar Mathias Keilhau do for work?

Baltazar Mathias Keilhau worked as a geologist[5].

Where did Baltazar Mathias Keilhau go to school?

Baltazar Mathias Keilhau was educated at University of Oslo[13].

What awards did Baltazar Mathias Keilhau receive?

Honors received include Knight of the Order of St. Olav‎[14] and Knight Officer of the Order of the Polar Star[15].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [4] ↑ . Great Norwegian Encyclopedia. Retrieved . wikidata.org.
  3. [20] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  4. [7] ↑ . wikidata.org.
  5. [8] ↑ . Great Norwegian Encyclopedia. Retrieved . wikidata.org.
  6. [9] ↑ . wikidata.org.
  7. [11] ↑ . wikidata.org.
  8. [13] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [5] ↑ . Great Norwegian Encyclopedia. Retrieved . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [21] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [22] ↑ . digitalarkivet.no. Retrieved . digitalarkivet.no. Provenance: wikidata.org.
  20. [1] ↑ . KulturNav. Retrieved . wikidata.org.
  21. [3] ↑ . KulturNav. Retrieved . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.
  26. [27] ↑ . wikidata.org.
  27. [28] ↑ . wikidata.org.
  28. [29] ↑ . wikidata.org.
  29. [30] ↑ . wikidata.org.
  30. [31] ↑ . wikidata.org.
  31. [32] ↑ . wikidata.org.
  32. [33] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [34] ↑ . wikidata.org. → on this site
  2. [36] ↑ . wikidata.org. → on this site
  3. [39] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [35] ↑ . Wikidata. wikidata.org. → on this site
  2. [37] ↑ . Wikidata. wikidata.org. → on this site
  3. [38] ↑ . Wikidata. wikidata.org. → on this site
  4. [40] ↑ . Wikidata. wikidata.org. → on this site
  5. [41] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [6] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [42] ↑ . Wikidata sitelinks. wikidata.org.
  3. [43] ↑ . 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). Baltazar Mathias Keilhau. Retrieved October 16, 2026, from https://4ort.xyz/entity/baltazar-mathias-keilhau
MLA “Baltazar Mathias Keilhau.” 4ort.xyz Knowledge Graph, 4ort.xyz, 16 Oct. 2026, https://4ort.xyz/entity/baltazar-mathias-keilhau.
BibTeX @misc{4ortxyz_baltazar-mathias-keilhau_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Baltazar Mathias Keilhau}}, year = {2026}, url = {https://4ort.xyz/entity/baltazar-mathias-keilhau}, note = {Accessed: 2026-10-16}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Baltazar Mathias Keilhau — https://4ort.xyz/entity/baltazar-mathias-keilhau (retrieved 2026-10-16)

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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. 1d ago · OKA bot bot · 2026-10-16 view diff on Wikidata ↗
    Wikipedia languages → ['ar', 'bg', 'commons', 'da', 'de', 'en', 'fi', 'fr', 'it', 'nn', 'no', 'ru', 's
    Spouse → Christine Kemp
    Claims rich → —
    "/* wbeditentity-statements-multiple-properties-update:0||6 */ NKL ID Baltazar_Mathias_Keilhau deprecated (now SNL Baltazar_Keilhau), source for place of death, source for occupation, spouse, source fo"
  2. 7w ago · Andre Engels · 2026-08-29 view diff on Wikidata ↗
    P14822 → balthazar-mathias-keilhau
    "/* wbsetclaim-create:1||1 */ P14822: balthazar-mathias-keilhau, Matched to [[:toollabs:mix-n-match/#/entry/315204368|Balthazar Mathias Keilhau (#315204368)]] in [[:toollabs:mix-n-match/#/"
  3. 21w ago · Quesotiotyo · 2026-05-20 view diff on Wikidata ↗
    P14397 → 2651
    "/* wbcreateclaim-create:1| */ P14397: 2651, [[:toollabs:quickstatements/#/batch/258229|batch #258229]]"
  4. 22w ago · Epìdosis · 2026-05-13 view diff on Wikidata ↗
    Residence → Biri
    Kulturnav-id → 1fe5f383-33de-4338-99e9-3daee4e28c4d, 629a8c08-0949-49ba-93b0-b1cd5df9ce55
    Family name → Keilhau
    Given name → Balthazar
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30851|batch #30851]]: match CERL IDs on the basis of GND (7)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.