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John O'Brien

geologist (born 1941)
Person human Q112448065
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John O'Brien

Summary

John O'Brien is a human[1]. He was born on +1941-00-00T00:00:00Z[2]. He worked as a geologist[3] and volcanologist[4].

Key Facts

  • John O'Brien was born on +1941-00-00T00:00:00Z[2].
  • John O'Brien's professions included geologist[3].
  • John O'Brien worked as a volcanologist[4].
  • John O'Brien is recorded as male[5].
  • John O'Brien's instance of is recorded as human[6].
  • John O'Brien's ISNI is recorded as 000000008404828X[7].
  • John O'Brien's VIAF cluster ID is recorded as 103477576[8].
  • John O'Brien's GND ID is recorded as 1090470878[9].
  • John O'Brien's Library of Congress authority ID is recorded as n2009079508[10].
  • John O'Brien's Bibliothèque nationale de France ID is recorded as 16216371b[11].
  • John O'Brien's IdRef ID is recorded as 144616629[12].
  • John O'Brien's SBN author ID is recorded as USMV992361[13].
  • John O'Brien's NL CR AUT ID is recorded as ntk2012681504[14].
  • John O'Brien's family name is recorded as O'Brien[15].
  • John O'Brien's given name is recorded as John[16].
  • John O'Brien's Nationale Thesaurus voor Auteursnamen ID is recorded as 329333682[17].
  • John O'Brien's BIBSYS ID is recorded as 10031404[18].
  • John O'Brien's NUKAT ID is recorded as n2011216239[19].
  • John O'Brien's Canadiana Name Authority ID is recorded as ncf11533428[20].
  • John O'Brien's WorldCat Entities ID is recorded as E39PCjqFkBpxpPDrDdxcGc9Gpd[21].
  • John O'Brien's Yale LUX ID is recorded as person/9d66c133-4511-4a53-ab27-76b4bc2924be[22].

Body

Origins and Family

John O'Brien was born on +1941-00-00T00:00:00Z[2].

Career and Affiliations

Recorded occupations include geologist[3] and volcanologist[4].

FAQs

What did John O'Brien do for work?

John O'Brien worked as geologist[3] and volcanologist[4].

References

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

Direct Wikidata claims

  1. [5] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  2. [6] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  3. [3] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  4. [4] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  5. [7] ↑ . Virtual International Authority File. Retrieved . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . viaf.org. Retrieved . viaf.org. Provenance: wikidata.org.
  8. [10] ↑ . Virtual International Authority File. Retrieved . wikidata.org.
  9. [11] ↑ . Virtual International Authority File. Retrieved . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . Retrieved . wikidata.org.
  12. [2] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  13. [14] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  14. [15] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  15. [16] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  16. [17] ↑ . Virtual International Authority File. Retrieved . wikidata.org.
  17. [18] ↑ . Virtual International Authority File. Retrieved . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . Virtual International Authority File. Retrieved . wikidata.org.
  20. [21] ↑ . Retrieved . wikidata.org.
  21. [22] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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 O'Brien. Retrieved May 3, 2026, from https://4ort.xyz/entity/john-o-brien-q112448065
MLA “John O'Brien.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/john-o-brien-q112448065.
BibTeX @misc{4ortxyz_john-o-brien-q112448065_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{John O'Brien}}, year = {2026}, url = {https://4ort.xyz/entity/john-o-brien-q112448065}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): John O'Brien — https://4ort.xyz/entity/john-o-brien-q112448065 (retrieved 2026-05-03)

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