David Helfand

Canadian university administrator
Person human Q5234877
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David Helfand

Summary

David Helfand is a human[1]. He was born on December 7, 1950[2]. He worked as an astronomer[3] and university teacher[4].

Key Facts

  • David Helfand was born on December 7, 1950[2].
  • David Helfand was born on January 1, 1950[5].
  • David Helfand held citizenship in Canada[6].
  • David Helfand worked as an astronomer[3].
  • David Helfand's professions included university teacher[4].
  • David Helfand's field of work was astrophysics[7].
  • David Helfand's field of work was neutron star[8].
  • David Helfand's field of work was supernova[9].
  • David Helfand's field of work was nuclear star cluster[10].
  • David Helfand was employed by Columbia University[11].
  • David Helfand's doctoral advisor was Joseph Hooton Taylor[12].
  • David Helfand received the Fellow of the Committee for Skeptical Inquiry[13].
  • David Helfand was a member of American Astronomical Society[14].
  • David Helfand was a member of International Astronomical Union[15].
  • David Helfand is recorded as male[16].
  • David Helfand's instance of is recorded as human[17].
  • David Helfand supervised Alexandre Réfrégier as a doctoral student[18].
  • David Helfand supervised Saeqa Vrtilek as a doctoral student[19].
  • David Helfand's Commons category is recorded as David Helfand[20].
  • David Helfand's family name is recorded as Helfand[21].
  • David Helfand's given name is recorded as David[22].
  • David Helfand's languages spoken, written or signed is recorded as English[23].

Body

Origins and Family

Recorded date of birth include December 7, 1950[2] and January 1, 1950[5].

Education

David Helfand's doctoral advisor was Joseph Hooton Taylor[12].

Career and Affiliations

Recorded occupations include astronomer[3] and university teacher[4]. Fields of work include astrophysics[7], a branch of astronomy[24]; neutron star[8], an astronomical object type[25]; supernova[9], an astronomical object type[26]; and nuclear star cluster[10], an astronomical object type[27]. David Helfand was employed by Columbia University[11]. Doctoral students include Alexandre Réfrégier[18], an astronomer[28], b. 1969[29] and Saeqa Vrtilek[19], an astrophysicist[30], awarded the Fellow of the American Association for the Advancement of Science[31], specialised in astrophysics[32].

Recognition

David Helfand received the Fellow of the Committee for Skeptical Inquiry[13].

FAQs

What did David Helfand do for work?

David Helfand worked as astronomer[3] and university teacher[4].

What awards did David Helfand receive?

Honors received include Fellow of the Committee for Skeptical Inquiry[13].

References

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

Direct Wikidata claims

  1. [16] . Czech National Authority Database. Retrieved . wikidata.org.
  2. [6] . wikidata.org.
  3. [17] . wikidata.org.
  4. [7] . Czech National Authority Database. Retrieved . wikidata.org.
  5. [8] . Czech National Authority Database. Retrieved . wikidata.org.
  6. [9] . Czech National Authority Database. Retrieved . wikidata.org.
  7. [10] . Czech National Authority Database. Retrieved . wikidata.org.
  8. [3] . Czech National Authority Database. Retrieved . wikidata.org.
  9. [4] . Czech National Authority Database. Retrieved . wikidata.org.
  10. [11] . Retrieved . wikidata.org.
  11. [13] . Retrieved . wikidata.org.
  12. [12] . wikidata.org.
  13. [18] . Astronomy Genealogy Project. wikidata.org.
  14. [19] . Astronomy Genealogy Project. wikidata.org.
  15. [20] . wikidata.org.
  16. [14] . Retrieved . wikidata.org.
  17. [15] . wikidata.org.
  18. [2] . Library of Congress Authorities. Retrieved . wikidata.org.
  19. [5] . Czech National Authority Database. Retrieved . wikidata.org.
  20. [21] . wikidata.org.
  21. [22] . wikidata.org.
  22. [23] . Czech National Authority Database. Retrieved . wikidata.org.

Inline context (facts about related entities)

  1. [24] . Wikidata. wikidata.org. → on this site
  2. [25] . Wikidata. wikidata.org. → on this site
  3. [26] . Wikidata. wikidata.org. → on this site
  4. [27] . 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

Class ancestry

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

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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). David Helfand. Retrieved May 3, 2026, from https://4ort.xyz/entity/david-helfand
MLA “David Helfand.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/david-helfand.
BibTeX @misc{4ortxyz_david-helfand_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{David Helfand}}, year = {2026}, url = {https://4ort.xyz/entity/david-helfand}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): David Helfand — https://4ort.xyz/entity/david-helfand (retrieved 2026-05-03)

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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. 5w ago · Pigsonthewing · 2026-06-14 view diff on Wikidata ↗
    Imported from
    Dimensions author id 010377035415.15
    Languages spoken, written or signed English
    Isni 0000000081745397
    + 33 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P14528]]: 26809, [[:toollabs:quickstatements/#/batch/259666|batch #259666]]"
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