Kenneth Appel

American mathematician
Person human Q224787

Facts

26 properties
Instance of
human
Sex or gender
male[25]
Date of birth
October 8, 1932
Date of death
April 19, 2013
Place of birth
Brooklyn
Place of death
Dover
Country of citizenship
United States[10]
Doctoral advisor
Roger Lyndon[20]
Doctoral student
Weldon Earl Bliss, Everett Douglas Gibson, Sister Jo Ann Fellin, Zhu-Xin Hu, John Allen Koch
Cause of death
esophageal cancer
Academic thesis
Two Investigations on the Borderline of Logic and Algebra
Birth name
Kenneth Ira Appel
Family name
Appel
Given name
Kenneth
Maintained by WikiProject
WikiProject Mathematics
Manner of death
natural causes
Show all 26 facts +2
Place of burial
Pine Hill Cemetery[7]
Residence
New Hampshire
🏷️ Also known as
en Kenneth Appel en K. Appel en Kenneth I. Appel en Kenneth Ira Appel ar كينيث أبيل de Kenneth Ira Appel fr Kenneth Ira Appel he קנת' איירה אפל he קנת אפל he קנת' אפל ja ケネス・アッペル ko 케네스 아펠 nl Kenneth Ira Appel ru Кеннет Аппель zh 凱尼斯·阿佩爾
🔖 Identifiers · 26
VIAF cluster ID
109925911
Library of Congress authority ID
n84041622
GND ID
13151332X
Image (Wikimedia Commons)
Kenneth appel 1970.jpg ↗
Bibliothèque nationale de France ID
123627954
DBLP author ID
20/689
Encyclopædia Britannica Online ID
biography/Kenneth-Appel
Encyclopædia Universalis ID
kenneth-appel
Find a Grave memorial ID
109680598
Freebase ID
/m/01t7rh
Show all 26 identifiers +14
Geni.com profile ID
6000000000825422623
Gran Enciclopèdia Catalana ID
kenneth-ira-appel
IdRef ID
032635443
MR Author ID
26625
MacTutor biography ID
Appel
Mathematics Genealogy Project ID
5059
NUKAT ID
n2011160679
National Library of Korea ID
KAC200803928
Nationale Thesaurus voor Auteursnamen ID
085047317
SHARE Catalogue author ID
54071
Treccani's Enciclopedia della Matematica ID
appel
WorldCat Entities ID
E39PBJwhD84hwR8hY4fQFK4THC
ZbMATH author ID
appel.kenneth-i

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🔗 Connections
Employer 4
Field of work 3
Educated at 2
Occupation 2
Award received 1
Cause of death 1
Child 1
Children (paternal) 1
Country of citizenship 1
Doctoral advisor 1
Doctoral advisors 1
Family name 1
Given name 1
Instance of 1
Maintained by WikiProject 1
Manner of death 1
Member of 1
Place of birth 1
Place of death 1
Residence 1
Sex or gender 1
← Proved by 1
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Summary

Kenneth Appel's place of birth was Brooklyn[1]. He was born on October 8, 1932[2]. He died in Dover[3]. He died on April 19, 2013[4]. He worked as a mathematician[5] and university teacher[6].

Body

Education

Educated at University of Michigan[18], a public research university[26], in United States[27], founded in 1817[28], headquartered in Ann Arbor[29] and Queens College[19], a university[30], in United States[31], founded in 1937[32].

Career and Affiliations

Fields of work include graph theory[11], an academic discipline[33]; four color theorem[12], a theorem[34]; and mathematical logic[13], a branch of mathematics[35]. Employers include University of Illinois Urbana–Champaign[14], a public research university[36], in United States[37], founded in 1867[38]; United States Army[15], an army[39], in United States[40], founded in 1775[41], headquartered in The Pentagon[42]; Institute for Defense Analyses[16], a research institute[43], in United States[44], founded in 1956[45]; and University of New Hampshire[17], a public research university[46], in United States[47], founded in 1866[48]. Doctoral students include Weldon Earl Bliss[49], Everett Douglas Gibson[50], Sister Jo Ann Fellin[51], Zhu-Xin Hu[52], and John Allen Koch[53].

Recognition

Awards received include Fellow of the American Mathematical Society[22], a fellowship award[54] and Fulkerson Prize[23], a science award[55], in United States[56], founded in 1979[57].

Personal Life

Children include Andrew Appel[8], a computer scientist[58], b. 1960[59], of United States[60], awarded the SIGPLAN Distinguished Service Award[61], specialised in programming language[62] and Peter H. Appel[9], b. 1964[63], of United States[64].

Death and Burial

The cause of death was esophageal cancer[65].

FAQs

Where was Kenneth Appel born?

Born in Brooklyn[1].

Where did Kenneth Appel die?

Kenneth Appel passed away in Dover[3].

What did Kenneth Appel do for work?

Kenneth Appel worked as mathematician[5] and university teacher[6].

Where did Kenneth Appel go to school?

Kenneth Appel was educated at University of Michigan[18] and Queens College[19].

What awards did Kenneth Appel receive?

Honors received include Fellow of the American Mathematical Society[22] and Fulkerson Prize[23].

References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [25] ↑ . wikidata.org.
  4. [10] ↑ . wikidata.org.
  5. [8] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  6. [9] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  7. [18] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  8. [19] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . books.google.cat. books.google.cat. Provenance: wikidata.org.
  12. [5] ↑ . wikidata.org.
  13. [6] ↑ . wikidata.org.
  14. [14] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  15. [15] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  16. [16] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  17. [17] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  18. [7] ↑ . Find a Grave. dover.nh.gov. Provenance: wikidata.org.
  19. [22] ↑ . ams.org. Retrieved . ams.org. Provenance: wikidata.org.
  20. [23] ↑ . ams.org. ams.org. Provenance: wikidata.org.
  21. [20] ↑ . wikidata.org.
  22. [49] ↑ . Mathematics Genealogy Project. wikidata.org.
  23. [50] ↑ . Mathematics Genealogy Project. wikidata.org.
  24. [51] ↑ . Mathematics Genealogy Project. wikidata.org.
  25. [52] ↑ . Mathematics Genealogy Project. wikidata.org.
  26. [53] ↑ . Mathematics Genealogy Project. wikidata.org.
  27. [24] ↑ . ams.org. Retrieved . ams.org. Provenance: wikidata.org.
  28. [65] ↑ . wikidata.org.
  29. [2] ↑ . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  30. [4] ↑ . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  31. [21] ↑ . wikidata.org.

Inline context (facts about related entities)

  1. [58] ↑ . Wikidata. wikidata.org. → on this site
  2. [59] ↑ . Wikidata. wikidata.org. → on this site
  3. [60] ↑ . Wikidata. wikidata.org. → on this site
  4. [61] ↑ . Wikidata. wikidata.org. → on this site
  5. [62] ↑ . Wikidata. wikidata.org. → on this site
  6. [63] ↑ . Wikidata. wikidata.org. → on this site
  7. [64] ↑ . Wikidata. wikidata.org. → on this site
  8. [26] ↑ . Wikidata. wikidata.org. → on this site
  9. [27] ↑ . Wikidata. wikidata.org. → on this site
  10. [28] ↑ . Wikidata. wikidata.org. → on this site
  11. [29] ↑ . Wikidata. wikidata.org. → on this site
  12. [30] ↑ . Wikidata. wikidata.org. → on this site
  13. [31] ↑ . Wikidata. wikidata.org. → on this site
  14. [32] ↑ . Wikidata. wikidata.org. → on this site
  15. [33] ↑ . Wikidata. wikidata.org. → on this site
  16. [34] ↑ . Wikidata. wikidata.org. → on this site
  17. [35] ↑ . Wikidata. wikidata.org. → on this site
  18. [36] ↑ . Wikidata. wikidata.org. → on this site
  19. [37] ↑ . Wikidata. wikidata.org. → on this site
  20. [38] ↑ . Wikidata. wikidata.org. → on this site
  21. [39] ↑ . Wikidata. wikidata.org. → on this site
  22. [40] ↑ . Wikidata. wikidata.org. → on this site
  23. [41] ↑ . Wikidata. wikidata.org. → on this site
  24. [42] ↑ . Wikidata. wikidata.org. → on this site
  25. [43] ↑ . Wikidata. wikidata.org. → on this site
  26. [44] ↑ . Wikidata. wikidata.org. → on this site
  27. [45] ↑ . Wikidata. wikidata.org. → on this site
  28. [46] ↑ . Wikidata. wikidata.org. → on this site
  29. [47] ↑ . Wikidata. wikidata.org. → on this site
  30. [48] ↑ . Wikidata. wikidata.org. → on this site
  31. [54] ↑ . Wikidata. wikidata.org. → on this site
  32. [55] ↑ . Wikidata. wikidata.org. → on this site
  33. [56] ↑ . Wikidata. wikidata.org. → on this site
  34. [57] ↑ . Wikidata. wikidata.org. → on this site

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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). Kenneth Appel. Retrieved November 1, 2026, from https://4ort.xyz/entity/kenneth-appel
MLA “Kenneth Appel.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/kenneth-appel.
BibTeX @misc{4ortxyz_kenneth-appel_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kenneth Appel}}, year = {2026}, url = {https://4ort.xyz/entity/kenneth-appel}, note = {Accessed: 2026-11-01}}
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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. 28d ago · Quesotiotyo · 2026-10-06 view diff on Wikidata ↗
    Gran Enciclopèdia Catalana ID → kenneth-ira-appel
    Wikipedia languages → ['ar', 'arz', 'ca', 'commons', 'cs', 'de', 'en', 'es', 'fi', 'fr', 'ht', 'it', '
    Claims rich → —
    "/* wbsetclaim-create:1||1 */ Gran Enciclopèdia Catalana ID: kenneth-ira-appel, Matched to [[:toollabs:mix-n-match/#/entry/327066349|Kenneth Ira Appel (#327066349)]] in [[:toollabs:mix-n-match/#/catalo"
  2. 25w ago · Magnus Manske · 2026-05-07 view diff on Wikidata ↗
    Cause of death → esophageal cancer
    Award received → Fellow of the American Mathematical Society, Fulkerson Prize
    Notable work → —
    Manner of death → natural causes
    + 31 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ CANTIC ID: 981061159160706706, [[:toollabs:quickstatements/#/batch/257405|batch #257405]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.