Ernst Zermelo

German mathematician (1871–1953)
Person human Q57248
Press Enter · cited answer in seconds

Summary

Ernst Zermelo was born on July 27, 1871[1], in Berlin[2]. He died on May 21, 1953[3], in Freiburg im Breisgau[4]. He worked as a mathematician[5], philosopher[6], and university teacher[7]. He ranks in the top 0.71% of human entities by monthly Wikipedia readership (1,327 views/month, #7,125 of 1,000,298).[8]

Key Facts

  • Place of burial: Günterstal Cemetery[9]
  • Father: Theodor Zermelo[10]
  • Country of citizenship: Germany[11]
  • Field of work: mathematical logic[12], set theory[13], formalism[14], Zermelo–Fraenkel set theory[15]
  • Employer: University of Freiburg[16], University of Göttingen[17], University of Zurich[18], Frederick William University Berlin[19]
  • Educated at: Frederick William University Berlin[20], University of Göttingen[21], University of Freiburg[22], Martin Luther University Halle-Wittenberg[23], Heinrich-Schliemann-Gymnasium[24]
  • Doctoral advisor: Lazarus Fuchs[25], Hermann Schwarz[26]
  • Notable work: Zermelo–Fraenkel set theory[27], well-ordering theorem[28], axiomatic set theory[29], Zermelo's categoricity theorem[30], infinitary logic[31], Zermelo's theorem[32]
  • Award received: Ackermann–Teubner Memorial Award[33]
  • Member of: Heidelberg Academy of Sciences and Humanities[34], Göttingen Academy of Sciences and Humanities in Lower Saxony[35]
  • Sex or gender: male[36]
  • Doctoral student: Walter Benz[37], Pessach Hebroni[38], Stefan Straszewicz[39], Max Egli[40], Waldemar Alexandrow[41], Paul Nabholz[42]
  • Commons category: Ernst Zermelo[43]
  • Archives at: Archives of the University of Freiburg[44]
  • Family name: Zermelo[45]
  • Given name: Ernst[46], Friedrich[47], Ferdinand[48]
  • Work location: Freiburg im Breisgau[49]
  • Academic thesis: Untersuchungen zur Variations-Rechnung[50]
  • Described by source: Great Soviet Encyclopedia (1969–1978)[51], Complete Dictionary of Scientific Biography[52]
  • Languages spoken, written or signed: German[53]
  • Birth name: Ernst Friedrich Ferdinand Zermelo[54]

Body

Works and Contributions

Things named for Ernst Zermelo include Zermelo–Fraenkel set theory[55], a set theory[56]; Zermelo's theorem[57]; and Zermelo set theory[58].

Why It Matters

Ernst Zermelo has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[59] He is known by 36 alternative names across languages and contexts.[60]

He is credited with the discovery of Russell's paradox[61], a paradox[62], written by Bertrand Russell[63]; axiom of choice[64], an axiom of set theory[65]; and axiom of union[66], an axiom[67]. Works attributed to him include Russell's paradox[68], a paradox[69], written by Bertrand Russell[70]. Entities named for him include Zermelo–Fraenkel set theory[55], a set theory[56]; Zermelo's theorem[57]; and Zermelo set theory[58].

His notable doctoral advisees include Walter Benz[71], a mathematician[72], 1931–2017[73], of Germany[74].

FAQs

Where was Ernst Zermelo born?

Ernst Zermelo's place of birth was Berlin[2].

Where did Ernst Zermelo die?

Ernst Zermelo passed away in Freiburg im Breisgau[4].

Who were Ernst Zermelo's parents?

Ernst Zermelo's father was Theodor Zermelo[10].

What did Ernst Zermelo do for work?

Ernst Zermelo worked as a mathematician[5], philosopher[6], and university teacher[7].

Where did Ernst Zermelo go to school?

Ernst Zermelo was educated at Frederick William University Berlin[20], University of Göttingen[21], University of Freiburg[22], and Martin Luther University Halle-Wittenberg[23].

What awards did Ernst Zermelo receive?

Honors received include Ackermann–Teubner Memorial Award[33].

What did Ernst Zermelo discover?

Ernst Zermelo is credited as discoverer of Russell's paradox[61], axiom of choice[64], and axiom of union[66].

References

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

Direct Wikidata claims

  1. [2] ↑ . Great Soviet Encyclopedia (1969–1978). Retrieved . wikidata.org.
  2. [4] ↑ . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  3. [36] ↑ . BnF authorities. Retrieved . wikidata.org.
  4. [10] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  5. [11] ↑ . wikidata.org.
  6. [20] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  7. [21] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  8. [22] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  9. [23] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  10. [24] ↑ . MacTutor History of Mathematics archive. google.cat. Provenance: wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [5] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  16. [6] ↑ . wikidata.org.
  17. [7] ↑ . wikidata.org.
  18. [16] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  19. [17] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  20. [18] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  21. [19] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  22. [9] ↑ . Find a Grave. wikidata.org.
  23. [33] ↑ . wikidata.org.
  24. [25] ↑ . Mathematics Genealogy Project. wikidata.org.
  25. [26] ↑ . Mathematics Genealogy Project. wikidata.org.
  26. [37] ↑ . Mathematics Genealogy Project. wikidata.org.
  27. [38] ↑ . Mathematics Genealogy Project. wikidata.org.
  28. [39] ↑ . Mathematics Genealogy Project. wikidata.org.
  29. [40] ↑ . Mathematics Genealogy Project. wikidata.org.
  30. [41] ↑ . Mathematics Genealogy Project. wikidata.org.
  31. [42] ↑ . Mathematics Genealogy Project. wikidata.org.
  32. [43] ↑ . wikidata.org.
  33. [34] ↑ . wikidata.org.
  34. [35] ↑ . wikidata.org.
  35. [44] ↑ . kalliope-verbund.info. kalliope-verbund.info. Provenance: wikidata.org.
  36. [1] ↑ . BnF authorities. Retrieved . wikidata.org.
  37. [3] ↑ . Great Soviet Encyclopedia (1969–1978). Retrieved . wikidata.org.
  38. [45] ↑ . wikidata.org.
  39. [46] ↑ . wikidata.org.
  40. [47] ↑ . wikidata.org.
  41. [48] ↑ . wikidata.org.
  42. [27] ↑ . wikidata.org.
  43. [28] ↑ . wikidata.org.
  44. [29] ↑ . wikidata.org.
  45. [30] ↑ . wikidata.org.
  46. [31] ↑ . wikidata.org.
  47. [32] ↑ . wikidata.org.
  48. [49] ↑ . wikidata.org.
  49. [50] ↑ . Mathematics Genealogy Project. wikidata.org.
  50. [51] ↑ . wikidata.org.
  51. [52] ↑ . mathshistory.st-andrews.ac.uk. mathshistory.st-andrews.ac.uk. Provenance: wikidata.org.
  52. [53] ↑ . BnF authorities. Retrieved . wikidata.org.
  53. [54] ↑ . MacTutor History of Mathematics archive. wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [61] ↑ . wikidata.org. → on this site
  2. [64] ↑ . wikidata.org. → on this site
  3. [66] ↑ . wikidata.org. → on this site
  4. [68] ↑ . wikidata.org. → on this site
  5. [71] ↑ . wikidata.org. → on this site
  6. [55] ↑ . wikidata.org. → on this site
  7. [57] ↑ . wikidata.org. → on this site
  8. [58] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [62] ↑ . Wikidata. wikidata.org. → on this site
  2. [63] ↑ . Wikidata. wikidata.org. → on this site
  3. [65] ↑ . Wikidata. wikidata.org. → on this site
  4. [67] ↑ . Wikidata. wikidata.org. → on this site
  5. [69] ↑ . Wikidata. wikidata.org. → on this site
  6. [70] ↑ . Wikidata. wikidata.org. → on this site
  7. [72] ↑ . Wikidata. wikidata.org. → on this site
  8. [73] ↑ . Wikidata. wikidata.org. → on this site
  9. [74] ↑ . Wikidata. wikidata.org. → on this site
  10. [56] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [8] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [59] ↑ . Wikidata sitelinks. wikidata.org.
  3. [60] ↑ . 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). Ernst Zermelo. Retrieved October 17, 2026, from https://4ort.xyz/entity/ernst-zermelo
MLA “Ernst Zermelo.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/ernst-zermelo.
BibTeX @misc{4ortxyz_ernst-zermelo_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ernst Zermelo}}, year = {2026}, url = {https://4ort.xyz/entity/ernst-zermelo}, note = {Accessed: 2026-10-17}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ernst Zermelo — https://4ort.xyz/entity/ernst-zermelo (retrieved 2026-10-17)

Canonical URL: https://4ort.xyz/entity/ernst-zermelo · Last refreshed:

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. 7m ago · OKA bot bot · 2026-10-17 view diff on Wikidata ↗
    Claims rich → —
    "/* wbeditentity-statements-multiple-properties-update:0||4 */ source for place of birth, source for place of death, source for date of birth, source for date of death from Store norske leksikon ([[Wik"
  2. 5d ago · 本日晴天 · 2026-10-11 view diff on Wikidata ↗
    Cinii research id → 1980023484813371308
    Claims rich → —
    "/* wbeditentity-statements-multiple-properties-update:0||2 */ added identifiers retrieved from CiNii Research (Cinii research id) or KAKEN (E-rad researcher number) ([[:toollabs:editgroups/b/OR/"
  3. 12d ago · Printstream · 2026-10-04 view diff on Wikidata ↗
    Notable work → Zermelo–Fraenkel set theory, well-ordering theorem, axiomatic set theory +3
    P14927 → 119514966
    Claims rich → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/57570|batch #57570]]: Import LEO-BW ID"
  4. 13d ago · Ferran Mir · 2026-10-03 view diff on Wikidata ↗
    Notable work → Zermelo–Fraenkel set theory, well-ordering theorem, axiomatic set theory +3
    Father → Theodor Zermelo
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ Notable work: infinitary logic"
  5. 13d ago · Bargioni · 2026-10-03 view diff on Wikidata ↗
    Goodreads author id → 2374089
    Lexikon der mathematik entry id → 11887
    Parsifal cluster id → 251061, 849870
    Pug authority id → 96579
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1|2 */ Parsifal cluster id: 251061, Added or updated using [[User:Bargioni/P12458_add_or_update_P1810|P12458_add_or_update_P1810]]"
  6. 14d ago · Epìdosis · 2026-10-02 view diff on Wikidata ↗
    Canadiana name authority id → ncf11966458
    Father → Theodor Zermelo
    Described by source → Great Soviet Encyclopedia (1969–1978), Complete Dictionary of Scientific Biography
    Doctoral student → Walter Benz, Pessach Hebroni, Stefan Straszewicz +3
    + 9 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-and-other-short:0||zh, pms, fr, es, it, et, de, nl, sl, nn, en, cs, pt, ro, pl, id, tr, mul */ Cleanup: remove wikimedia refs; remove alias=label/mul; add mul alias (["
  7. 14d ago · Ferran Mir · 2026-10-02 view diff on Wikidata ↗
    Bibsys id → 2012995
    Name in native language → —
    Birth name → {'lang': 'de', 'text': 'Ernst Friedrich Ferdinand Zermelo'}
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ Bibsys id: 2012995"
  8. 14d ago · Ferran Mir · 2026-10-02 view diff on Wikidata ↗
    Name in native language → —
    Wikipedia languages → ['ar', 'arz', 'az', 'azb', 'be', 'ca', 'commons', 'cs', 'da', 'de', 'en', 'eo',
    Claims rich → —
    "/* wbsetclaim-update:2||1 */ Name in native language: Ernst Friedrich Ferdinand Zermelo"
  9. 14w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 8N1JV
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  10. 16w ago · Printstream · 2026-06-26 view diff on Wikidata ↗
    P14536 → 413452
    "/* wbcreateclaim-create:1| */ P14536: 413452, #quickstatements; #temporary_batch_1782462304762"
  11. 23w ago · Bargioni · 2026-05-07 view diff on Wikidata ↗
    Image purged at → —
    Image needs reharvest → —
    Image purged license → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30468|batch #30468]]: add P1810 to P5739 2/3"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.