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John Ledyard

American economist
Person human Q1669699

Facts

15 properties
Instance of
human
Sex or gender
male[12]
Date of birth
1943
Country of citizenship
United States[5]
Occupation
economist, university teacher, business informatician
Employer
California Institute of Technology[6]
Educated at
Purdue University[7]
Award received
Fellow of the Econometric Society[9]
Doctoral advisor
Stanley Reiter[8]
Doctoral student
David Easley, Peter Howitt, Kay-Yut Chen, Robin Hanson, Gerry L. Suchanek, Anthony M. Kwasnica, Guofu Tan, Szilvia Pápai, Katerina Sherstyuk, Paul J Healy, Guido Maretto, Sera Linardi, Mohamed Mostagir, Yan Chen, Charles Noussair, Serkan Küçükşenel, James Jordan, Julian Romero, Luke Anthony Boosey, John Duggan, Leslie Rachel Fine, Guilherme Pereira de Freitas, Ghatekha Izevbuwa Osayimwese, Patrick Legros, Mark Allen Olson, David Thomas Young, Jin Yu, Lanny David Arvan[13][14][15][16][17][18][19][20][21][22][23][24][25][26]
Languages spoken, written or signed
English[29]
Family name
Ledyard[27]
Given name
John[28]
Maintained by WikiProject
WikiProject Mathematics[30]
Member of
American Academy of Arts and Sciences, Econometric Society[10][11]
🏷️ Also known as
en John Ledyard en John O. Ledyard en J. O. Ledyard de John Odell Ledyard ru Джон Ледьярд ru Ледьярд, Джон
🔖 Identifiers · 19
ISNI
0000000031900096
VIAF cluster ID
66573287
Library of Congress authority ID
n94074977
GND ID
129695742
Academic Tree ID
498364
BIBSYS ID
90912582
Bibliothèque nationale de France ID
12513692c
CiNii Research ID
1140000791654646400
Google Knowledge Graph ID
/g/122zp_yf
IdRef ID
034374841
MR Author ID
237426
Mathematics Genealogy Project ID
202341
Show all 19 identifiers +7
NACSIS-CAT author ID
DA09513015
National Library of Israel J9U ID
987007326051405171
Nationale Thesaurus voor Auteursnamen ID
141461187
RePEc Short-ID
ple705
WorldCat Entities ID
E39PBJq6TxQTmgxkXm3qqVWkXd
Yale LUX ID
person/bf8be3d9-c926-429c-90e8-406b3e38d9b1
ZbMATH author ID
ledyard.john-o

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Summary

John Ledyard was born in 1943[1]. He has worked as an economist[2], university teacher[3], and business informatician[4].

FAQs

What did John Ledyard do for work?

John Ledyard worked as an economist[2], university teacher[3], and business informatician[4].

Where did John Ledyard go to school?

John Ledyard was educated at Purdue University[7].

What awards did John Ledyard receive?

Honors received include Fellow of the Econometric Society[9].

References

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

Direct Wikidata claims

  1. [12] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [7] ↑ . Mathematics Genealogy Project. wikidata.org.
  4. [2] ↑ . wikidata.org.
  5. [3] ↑ . wikidata.org.
  6. [4] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  7. [6] ↑ . wikidata.org.
  8. [9] ↑ . econometricsociety.org. Retrieved . econometricsociety.org. Provenance: wikidata.org.
  9. [8] ↑ . Mathematics Genealogy Project. wikidata.org.
  10. [13] ↑ . Mathematics Genealogy Project. wikidata.org.
  11. [14] ↑ . Mathematics Genealogy Project. wikidata.org.
  12. [15] ↑ . Mathematics Genealogy Project. wikidata.org.
  13. [16] ↑ . Mathematics Genealogy Project. wikidata.org.
  14. [17] ↑ . Mathematics Genealogy Project. wikidata.org.
  15. [18] ↑ . Mathematics Genealogy Project. wikidata.org.
  16. [19] ↑ . Mathematics Genealogy Project. wikidata.org.
  17. [20] ↑ . Mathematics Genealogy Project. wikidata.org.
  18. [21] ↑ . Mathematics Genealogy Project. wikidata.org.
  19. [22] ↑ . Mathematics Genealogy Project. wikidata.org.
  20. [23] ↑ . Mathematics Genealogy Project. wikidata.org.
  21. [24] ↑ . Mathematics Genealogy Project. wikidata.org.
  22. [25] ↑ . Mathematics Genealogy Project. wikidata.org.
  23. [26] ↑ . Mathematics Genealogy Project. wikidata.org.
  24. [10] ↑ . wikidata.org.
  25. [11] ↑ . econometricsociety.org. Retrieved . econometricsociety.org. Provenance: wikidata.org.
  26. [1] ↑ . wikidata.org.
  27. [27] ↑ . wikidata.org.
  28. [28] ↑ . wikidata.org.
  29. [29] ↑ . IdRef. Retrieved . wikidata.org.
  30. [30] ↑ . 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 Ledyard. Retrieved November 2, 2026, from https://4ort.xyz/entity/john-ledyard-q1669699
MLA “John Ledyard.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/john-ledyard-q1669699.
BibTeX @misc{4ortxyz_john-ledyard-q1669699_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{John Ledyard}}, year = {2026}, url = {https://4ort.xyz/entity/john-ledyard-q1669699}, note = {Accessed: 2026-11-02}}
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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. 24w ago · Epìdosis · 2026-05-19 view diff on Wikidata ↗
    Instance of → human
    IdRef ID → 034374841
    Occupation → economist, university teacher, business informatician
    Bibliothèque nationale de France ID → 12513692c
    + 32 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31725|batch #31725]]: import P21 and P106 from GND (19)"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.