John C. DeFries

American behavior geneticist
Person Human Q6224371

Facts

13 properties
Instance of
human
Sex or gender
male[19]
Date of birth
1934, November 26, 1934[8]
Country of citizenship
United States[9]
Occupation
geneticist, behavior geneticist, biologist, university teacher
Work location
Boulder[22]
Languages spoken, written or signed
English[23]
Family name
Defries, DeFries[20]
Given name
John[21]
🏷️ Also known as
en John C. DeFries cs John Clarence DeFries de John Clarence DeFries pl John DeFries
🔖 Identifiers · 19
VIAF cluster ID
305621472
Library of Congress Authorities ID
n79126267
GND ID
172042372
Image (Wikimedia Commons)
John C. DeFriesjo.png ↗
Academic Tree ID
26688
Bibliothèque nationale de France ID
12278363w
CONOR.SI ID
238638691
Freebase ID
/m/09glt_s
Google Scholar author ID
p5CkmJ8AAAAJ
IdRef ID
05870731X
J9U entity ID
987007276185505171
Show all 19 identifiers +7
KBR person ID
14534686
NL CR AUT ID
mub20261286403
National Library of Spain SpMaBN ID
XX1152717
Nationale Thesaurus voor Auteursnamen ID
068408870
SBN author ID
MILV139368
SNAC ARK ID
w6dm147x

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🔗 Connections
Field of work 7
Occupation 3
Country of citizenship 1
Educated at 1
Employer 1
Given name 1
Instance of 1
Languages spoken, written or signed 1
Place of birth 1
Sex or gender 1
Work location 1
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Summary

John C. DeFries was born on January 1, 1934[1], in Illinois[2]. He has worked as a geneticist[3], behavior geneticist[4], biologist[5], and university teacher[6].

FAQs

Where was John C. DeFries born?

John C. DeFries's place of birth was Illinois[2].

What did John C. DeFries do for work?

John C. DeFries worked as a geneticist[3], behavior geneticist[4], biologist[5], and university teacher[6].

Where did John C. DeFries go to school?

John C. DeFries was educated at University of Illinois Urbana–Champaign[18].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [7] ↑ . wikidata.org.
  3. [19] ↑ . wikidata.org.
  4. [9] ↑ . BnF authorities. Retrieved . wikidata.org.
  5. [18] ↑ . wikidata.org.
  6. [10] ↑ . wikidata.org.
  7. [11] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  8. [12] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  9. [13] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  10. [14] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  11. [15] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  12. [16] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  13. [3] ↑ . wikidata.org.
  14. [4] ↑ . wikidata.org.
  15. [5] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  16. [6] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  17. [17] ↑ . wikidata.org.
  18. [1] ↑ . SNAC. Retrieved . wikidata.org.
  19. [8] ↑ . wikidata.org.
  20. [20] ↑ . wikidata.org.
  21. [21] ↑ . wikidata.org.
  22. [22] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  23. [23] ↑ . IdRef. Retrieved . 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). John C. DeFries. Retrieved November 6, 2026, from https://4ort.xyz/entity/john-c-defries
MLA “John C. DeFries.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/john-c-defries.
BibTeX @misc{4ortxyz_john-c-defries_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{John C. DeFries}}, year = {2026}, url = {https://4ort.xyz/entity/john-c-defries}, note = {Accessed: 2026-11-06}}
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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 · Printstream · 2026-10-06 view diff on Wikidata ↗
    Place of birth → Illinois, Iroquois County
    "Changed the item: QuickStatements 3.0 batch #57880: Import more precise places of birth, date from dewiki"
  2. 5w ago · Printstream · 2026-10-01 view diff on Wikidata ↗
    Field of work → psychology, evolutionary psychology, evolutionary biology +1
    Languages spoken, written or signed → English
    Work location → Boulder
    Sex or gender → male
    + 9 other properties edited (see Wikidata diff for full list)
    "Changed the item: QuickStatements 3.0 batch #57227: Import and prefer more precise dates from dewiki"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.