Ernst Specker

Swiss mathematician (1920-2011)
Person human Q117486
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Ernst Specker

Summary

Ernst Specker is a human[1]. He was born in Zurich[2]. He was born on +1920-02-11T00:00:00Z[3]. He died in Zurich[4]. He died on +2011-12-10T00:00:00Z[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 (5 views/month, #7,296 of 1,000,298).[8]

Key Facts

  • Ernst Specker's place of birth was Zurich[2].
  • Ernst Specker passed away in Zurich[4].
  • Ernst Specker was born on +1920-02-11T00:00:00Z[3].
  • Ernst Specker died on +2011-12-10T00:00:00Z[5].
  • Ernst Specker's father was Karl Kaspar Specker[9].
  • Ernst Specker held citizenship in Switzerland[10].
  • Ernst Specker's professions included mathematician[6].
  • Ernst Specker's professions included university teacher[7].
  • Ernst Specker's field of work was set theory[11].
  • Ernst Specker held the position of chairperson[12].
  • Ernst Specker was employed by ETH Zurich[13].
  • Among Ernst Specker's employers was Institute for Advanced Study[14].
  • Ernst Specker was educated at ETH Zurich[15].
  • Ernst Specker's doctoral advisor was Heinz Hopf[16].
  • Ernst Specker's doctoral advisor was Beno Eckmann[17].
  • A notable work attributed to Ernst Specker is Kochen–Specker theorem[18].
  • A notable work attributed to Ernst Specker is Specker sequence[19].
  • A notable work attributed to Ernst Specker is Baer–Specker group[20].
  • Ernst Specker was a member of Swiss Mathematical Society[21].
  • Ernst Specker's religion is recorded as reformed[22].
  • Ernst Specker is recorded as male[23].
  • Ernst Specker's instance of is recorded as human[24].
  • Ernst Specker supervised Johann Makowsky as a doctoral student[25].
  • Ernst Specker supervised Walter Deuber as a doctoral student[26].
  • Ernst Specker supervised Hans Läuchli as a doctoral student[27].

Body

Origins and Family

Born in Zurich[2], Ernst Specker… he was born on +1920-02-11T00:00:00Z[3]. His father was Karl Kaspar Specker[9].

Education

Ernst Specker was educated at ETH Zurich[15]. Doctoral advisors include Heinz Hopf[16], a mathematician[28], 1894–1971[29], of Germany[30], awarded the Lobachevsky Prize[31], specialised in differential geometry[32] and Beno Eckmann[17], a mathematician[33], 1917–2008[34], of Switzerland[35], awarded the honorary doctor of Ben-Gurion University[36], specialised in topology[37].

Career and Affiliations

Recorded occupations include mathematician[6] and university teacher[7]. Ernst Specker's field of work was set theory[11]. Employers include ETH Zurich[13], an institute of technology[38], in Switzerland[39], founded in 1855[40], headquartered in ETH Zurich main building[41] and Institute for Advanced Study[14], a research institute[42], in United States[43], founded in 1930[44], headquartered in Princeton[45]. He held the position of chairperson[12]. Doctoral students include Johann Makowsky[25], a mathematician[46], b. 1948[47], of Switzerland[48]; Walter Deuber[26], a mathematician[49], 1942–1999[50]; Hans Läuchli[27], a mathematician[51], 1933–1997[52]; Hans Bühlmann[53], an actuary[54], b. 1930[55], of Switzerland[56], awarded the honorary doctorate from the University of Waterloo[57]; Erwin Engeler[58], a mathematician[59], b. 1930[60], of Switzerland[61], awarded the ACM Fellow[62]; and Heinrich Kleisli[63], a mathematician[64], 1930–2011[65], of Switzerland[66].

Works and Contributions

Notable works include Kochen–Specker theorem[18], Specker sequence[19], and Baer–Specker group[20]. Things named for Ernst Specker include Kochen–Specker theorem[67].

Personal Life

Ernst Specker's religion is recorded as reformed[22].

Death and Burial

Ernst Specker died on +2011-12-10T00:00:00Z[5]. He died in Zurich[4].

Why It Matters

Ernst Specker ranks in the top 0.73% of human entities by monthly Wikipedia readership (5 views/month, #7,296 of 1,000,298).[8] He has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[68] He is known by 4 alternative names across languages and contexts.[69]

Entities named for him include Kochen–Specker theorem[67].

His notable doctoral advisees include Erwin Engeler[70], a mathematician[71], b. 1930[72], of Switzerland[73], awarded the ACM Fellow[74]; Heinrich Kleisli[75], a mathematician[76], 1930–2011[77], of Switzerland[78]; Johann Makowsky[79], a mathematician[80], b. 1948[81], of Switzerland[82]; Stathis Zachos[83], a mathematician[84], b. 1947[85], of Greece[86]; Karl Lieberherr[87], an engineer[88]; and Giovanni Coray[89], a computer scientist[90], of Switzerland[91].

FAQs

Where was Ernst Specker born?

Born in Zurich[2], Ernst Specker…

Where did Ernst Specker die?

Ernst Specker passed away in Zurich[4].

Who were Ernst Specker's parents?

Ernst Specker's father was Karl Kaspar Specker[9].

What did Ernst Specker do for work?

Ernst Specker worked as mathematician[6] and university teacher[7].

Where did Ernst Specker go to school?

Ernst Specker was educated at ETH Zurich[15].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [4] . MacTutor History of Mathematics archive. wikidata.org.
  3. [23] . wikidata.org.
  4. [9] . wikidata.org.
  5. [10] . wikidata.org.
  6. [24] . wikidata.org.
  7. [12] . mathshistory.st-andrews.ac.uk. mathshistory.st-andrews.ac.uk. Provenance: wikidata.org.
  8. [15] . MacTutor History of Mathematics archive. wikidata.org.
  9. [11] . wikidata.org.
  10. [6] . wikidata.org.
  11. [7] . wikidata.org.
  12. [13] . MacTutor History of Mathematics archive. wikidata.org.
  13. [14] . ias.edu. ias.edu. Provenance: wikidata.org.
  14. [22] . Historical Dictionary of Switzerland. Retrieved . wikidata.org.
  15. [16] . Mathematics Genealogy Project. Retrieved . wikidata.org.
  16. [17] . Mathematics Genealogy Project. wikidata.org.
  17. [25] . Mathematics Genealogy Project. wikidata.org.
  18. [26] . Mathematics Genealogy Project. wikidata.org.
  19. [27] . Mathematics Genealogy Project. wikidata.org.
  20. [53] . Mathematics Genealogy Project. wikidata.org.
  21. [58] . Mathematics Genealogy Project. wikidata.org.
  22. [63] . Mathematics Genealogy Project. wikidata.org.
  23. [21] . wikidata.org.
  24. [3] . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  25. [5] . MacTutor History of Mathematics archive. Retrieved . blog.computationalcomplexity.org. Provenance: wikidata.org.
  26. [18] . wikidata.org.
  27. [19] . wikidata.org.
  28. [20] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [70] . wikidata.org. → on this site
  2. [75] . wikidata.org. → on this site
  3. [79] . wikidata.org. → on this site
  4. [83] . wikidata.org. → on this site
  5. [87] . wikidata.org. → on this site
  6. [89] . wikidata.org. → on this site
  7. [67] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [38] . Wikidata. wikidata.org. → on this site
  2. [39] . Wikidata. wikidata.org. → on this site
  3. [40] . Wikidata. wikidata.org. → on this site
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  10. [29] . Wikidata. wikidata.org. → on this site
  11. [30] . Wikidata. wikidata.org. → on this site
  12. [31] . Wikidata. wikidata.org. → on this site
  13. [32] . Wikidata. wikidata.org. → on this site
  14. [33] . Wikidata. wikidata.org. → on this site
  15. [34] . Wikidata. wikidata.org. → on this site
  16. [35] . Wikidata. wikidata.org. → on this site
  17. [36] . Wikidata. wikidata.org. → on this site
  18. [37] . Wikidata. wikidata.org. → on this site
  19. [46] . Wikidata. wikidata.org. → on this site
  20. [47] . Wikidata. wikidata.org. → on this site
  21. [48] . Wikidata. wikidata.org. → on this site
  22. [49] . Wikidata. wikidata.org. → on this site
  23. [50] . Wikidata. wikidata.org. → on this site
  24. [51] . Wikidata. wikidata.org. → on this site
  25. [52] . Wikidata. wikidata.org. → on this site
  26. [54] . Wikidata. wikidata.org. → on this site
  27. [55] . Wikidata. wikidata.org. → on this site
  28. [56] . Wikidata. wikidata.org. → on this site
  29. [57] . Wikidata. wikidata.org. → on this site
  30. [59] . Wikidata. wikidata.org. → on this site
  31. [60] . Wikidata. wikidata.org. → on this site
  32. [61] . Wikidata. wikidata.org. → on this site
  33. [62] . Wikidata. wikidata.org. → on this site
  34. [64] . Wikidata. wikidata.org. → on this site
  35. [65] . Wikidata. wikidata.org. → on this site
  36. [66] . Wikidata. wikidata.org. → on this site
  37. [71] . Wikidata. wikidata.org. → on this site
  38. [72] . Wikidata. wikidata.org. → on this site
  39. [73] . Wikidata. wikidata.org. → on this site
  40. [74] . Wikidata. wikidata.org. → on this site
  41. [76] . Wikidata. wikidata.org. → on this site
  42. [77] . Wikidata. wikidata.org. → on this site
  43. [78] . Wikidata. wikidata.org. → on this site
  44. [80] . Wikidata. wikidata.org. → on this site
  45. [81] . Wikidata. wikidata.org. → on this site
  46. [82] . Wikidata. wikidata.org. → on this site
  47. [84] . Wikidata. wikidata.org. → on this site
  48. [85] . Wikidata. wikidata.org. → on this site
  49. [86] . Wikidata. wikidata.org. → on this site
  50. [88] . Wikidata. wikidata.org. → on this site
  51. [90] . Wikidata. wikidata.org. → on this site
  52. [91] . 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.

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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). Ernst Specker. Retrieved April 10, 2026, from https://4ort.xyz/entity/ernst-specker
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BibTeX @misc{4ortxyz_ernst-specker_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ernst Specker}}, year = {2026}, url = {https://4ort.xyz/entity/ernst-specker}, note = {Accessed: 2026-04-10}}
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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. 13d ago · Epìdosis · 2026-05-09 view diff on Wikidata ↗
    Family name Specker
    Country of citizenship Switzerland
    Maintained by wikiproject WikiProject Mathematics
    Municipal affiliation of a swiss national Zurich, Fischingen
    + 31 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P9984]]: 981058612446706706, [[:toollabs:quickstatements/#/batch/257571|batch #257571]]"
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