Kenneth Appel

American mathematician
Person human Q224787
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Kenneth Appel

Summary

Kenneth Appel is a human[1]. His place of birth was Brooklyn[2]. He was born on +1932-10-08T00:00:00Z[3]. He died in Dover[4]. He died on +2013-04-19T00:00:00Z[5]. He worked as a mathematician[6] and university teacher[7]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (28 views/month, #7,273 of 1,000,298).[8]

Key Facts

  • Kenneth Appel was born in Brooklyn[2].
  • Kenneth Appel passed away in Dover[4].
  • Kenneth Appel was born on +1932-10-08T00:00:00Z[3].
  • Kenneth Appel died on +2013-04-19T00:00:00Z[5].
  • Burial took place at Pine Hill Cemetery[9].
  • A child of Kenneth Appel was Andrew Appel[10].
  • A child of Kenneth Appel was Peter H. Appel[11].
  • Kenneth Appel held citizenship in United States[12].
  • Kenneth Appel's professions included mathematician[6].
  • Kenneth Appel's professions included university teacher[7].
  • Kenneth Appel's field of work was graph theory[13].
  • Kenneth Appel's field of work was four color theorem[14].
  • Kenneth Appel's field of work was mathematical logic[15].
  • Kenneth Appel was employed by University of Illinois Urbana–Champaign[16].
  • Kenneth Appel was employed by United States Army[17].
  • Kenneth Appel was employed by Institute for Defense Analyses[18].
  • Among Kenneth Appel's employers was University of New Hampshire[19].
  • Kenneth Appel was educated at University of Michigan[20].
  • Kenneth Appel's education included a stint at Queens College[21].
  • Kenneth Appel's doctoral advisor was Roger Lyndon[22].
  • A notable work attributed to Kenneth Appel is Every planar map is four colorable[23].
  • Kenneth Appel received the Fellow of the American Mathematical Society[24].
  • Kenneth Appel received the Fulkerson Prize[25].
  • Kenneth Appel was a member of American Mathematical Society[26].
  • Kenneth Appel is recorded as male[27].

Body

Origins and Family

Kenneth Appel was born in Brooklyn[2]. He was born on +1932-10-08T00:00:00Z[3].

Education

Educated at University of Michigan[20], a public research university[28], in United States[29], founded in 1817[30], headquartered in Ann Arbor[31] and Queens College[21], a university[32], in United States[33], founded in 1937[34]. Kenneth Appel's doctoral advisor was Roger Lyndon[22].

Career and Affiliations

Recorded occupations include mathematician[6] and university teacher[7]. Fields of work include graph theory[13], an academic discipline[35]; four color theorem[14], a theorem[36]; and mathematical logic[15], a branch of mathematics[37]. Employers include University of Illinois Urbana–Champaign[16], a public research university[38], in United States[39], founded in 1867[40]; United States Army[17], an army[41], in United States[42], founded in 1775[43], headquartered in The Pentagon[44]; Institute for Defense Analyses[18], a research institute[45], in United States[46], founded in 1956[47]; and University of New Hampshire[19], a public research university[48], in United States[49], founded in 1866[50]. Doctoral students include Weldon Earl Bliss[51], Everett Douglas Gibson[52], Sister Jo Ann Fellin[53], Zhu-Xin Hu[54], and John Allen Koch[55].

Works and Contributions

A notable work attributed to Kenneth Appel is Every planar map is four colorable[23].

Recognition

Awards received include Fellow of the American Mathematical Society[24], a fellowship award[56] and Fulkerson Prize[25], a science award[57], in United States[58], founded in 1979[59].

Personal Life

Children include Andrew Appel[10], a computer scientist[60], b. 1960[61], of United States[62], awarded the SIGPLAN Distinguished Service Award[63], specialised in programming language[64] and Peter H. Appel[11], b. 1964[65], of United States[66].

Death and Burial

Kenneth Appel died on +2013-04-19T00:00:00Z[5]. He died in Dover[4]. The cause of death was esophageal cancer[67]. Burial took place at Pine Hill Cemetery[9].

Why It Matters

Kenneth Appel ranks in the top 0.73% of human entities by monthly Wikipedia readership (28 views/month, #7,273 of 1,000,298).[8] He has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[68] He is known by 8 alternative names across languages and contexts.[69]

FAQs

Where was Kenneth Appel born?

Born in Brooklyn[2], Kenneth Appel…

Where did Kenneth Appel die?

Kenneth Appel passed away in Dover[4].

What did Kenneth Appel do for work?

Kenneth Appel worked as mathematician[6] and university teacher[7].

Where did Kenneth Appel go to school?

Kenneth Appel was educated at University of Michigan[20] and Queens College[21].

What awards did Kenneth Appel receive?

Honors received include Fellow of the American Mathematical Society[24] and Fulkerson Prize[25].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [4] . wikidata.org.
  3. [27] . wikidata.org.
  4. [12] . wikidata.org.
  5. [10] . MacTutor History of Mathematics archive. wikidata.org.
  6. [11] . MacTutor History of Mathematics archive. wikidata.org.
  7. [20] . MacTutor History of Mathematics archive. wikidata.org.
  8. [21] . MacTutor History of Mathematics archive. wikidata.org.
  9. [13] . wikidata.org.
  10. [14] . wikidata.org.
  11. [15] . books.google.cat. books.google.cat. Provenance: wikidata.org.
  12. [6] . wikidata.org.
  13. [7] . wikidata.org.
  14. [16] . MacTutor History of Mathematics archive. wikidata.org.
  15. [17] . MacTutor History of Mathematics archive. wikidata.org.
  16. [18] . MacTutor History of Mathematics archive. wikidata.org.
  17. [19] . MacTutor History of Mathematics archive. wikidata.org.
  18. [9] . Find a Grave. dover.nh.gov. Provenance: wikidata.org.
  19. [24] . ams.org. Retrieved . ams.org. Provenance: wikidata.org.
  20. [25] . ams.org. ams.org. Provenance: wikidata.org.
  21. [22] . wikidata.org.
  22. [51] . Mathematics Genealogy Project. wikidata.org.
  23. [52] . Mathematics Genealogy Project. wikidata.org.
  24. [53] . Mathematics Genealogy Project. wikidata.org.
  25. [54] . Mathematics Genealogy Project. wikidata.org.
  26. [55] . Mathematics Genealogy Project. wikidata.org.
  27. [26] . ams.org. Retrieved . ams.org. Provenance: wikidata.org.
  28. [67] . wikidata.org.
  29. [3] . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  30. [5] . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  31. [23] . wikidata.org.

Inline context (facts about related entities)

  1. [60] . Wikidata. wikidata.org. → on this site
  2. [61] . Wikidata. wikidata.org. → on this site
  3. [62] . Wikidata. wikidata.org. → on this site
  4. [63] . Wikidata. wikidata.org. → on this site
  5. [64] . Wikidata. wikidata.org. → on this site
  6. [65] . Wikidata. wikidata.org. → on this site
  7. [66] . Wikidata. wikidata.org. → on this site
  8. [28] . Wikidata. wikidata.org. → on this site
  9. [29] . Wikidata. wikidata.org. → on this site
  10. [30] . Wikidata. wikidata.org. → on this site
  11. [31] . Wikidata. wikidata.org. → on this site
  12. [32] . Wikidata. wikidata.org. → on this site
  13. [33] . Wikidata. wikidata.org. → on this site
  14. [34] . Wikidata. wikidata.org. → on this site
  15. [35] . Wikidata. wikidata.org. → on this site
  16. [36] . Wikidata. wikidata.org. → on this site
  17. [37] . Wikidata. wikidata.org. → on this site
  18. [38] . Wikidata. wikidata.org. → on this site
  19. [39] . Wikidata. wikidata.org. → on this site
  20. [40] . Wikidata. wikidata.org. → on this site
  21. [41] . Wikidata. wikidata.org. → on this site
  22. [42] . Wikidata. wikidata.org. → on this site
  23. [43] . Wikidata. wikidata.org. → on this site
  24. [44] . Wikidata. wikidata.org. → on this site
  25. [45] . Wikidata. wikidata.org. → on this site
  26. [46] . Wikidata. wikidata.org. → on this site
  27. [47] . Wikidata. wikidata.org. → on this site
  28. [48] . Wikidata. wikidata.org. → on this site
  29. [49] . Wikidata. wikidata.org. → on this site
  30. [50] . Wikidata. wikidata.org. → on this site
  31. [56] . Wikidata. wikidata.org. → on this site
  32. [57] . Wikidata. wikidata.org. → on this site
  33. [58] . Wikidata. wikidata.org. → on this site
  34. [59] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [8] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [68] . Wikidata sitelinks. wikidata.org.
  3. [69] . Wikidata aliases. 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). Kenneth Appel. Retrieved April 11, 2026, from https://4ort.xyz/entity/kenneth-appel
MLA “Kenneth Appel.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Apr. 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: 2026-04-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kenneth Appel — https://4ort.xyz/entity/kenneth-appel (retrieved 2026-04-11)

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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. 16d 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| */ [[Property:P9984]]: 981061159160706706, [[:toollabs:quickstatements/#/batch/257405|batch #257405]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.