Karl Weierstraß

German mathematician (1815–1897)
Person human Q57103
Karl Weierstraß
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Summary

Karl Weierstraß was born in Ostenfelde[1]. He died in Berlin[2]. He worked as a mathematician[3], university teacher[4], and physicist[5]. He ranks in the top 0.7% of human entities by monthly Wikipedia readership (2,550 views/month, #7,023 of 1,000,298).[6]

Key Facts

  • Place of burial: Alter Domfriedhof der St.-Hedwigs-Gemeinde[7]
  • Country of citizenship: Kingdom of Prussia[8]
  • Field of work: complex analysis[9], mathematics[10], mathematical analysis[11], elliptic function[12]
  • Employer: Frederick William University Berlin[13], Gewerbeinstitut Berlin[14], Collegium Hosianum[15], 2nd middle school in Wałcz[16]
  • Educated at: University of Bonn[17], University of Münster[18], Gymnasium Theodorianum[19], University of Königsberg[20]
  • Doctoral advisor: Christoph Gudermann[21]
  • Award received: honorary doctor of the University of Königsberg[22], Copley Medal[23], Pour le Mérite for Sciences and Arts order[24], Helmholtz Medal[25], Cothenius Medal[26], Bavarian Maximilian Order for Science and Art[27], Foreign Member of the Royal Society[28]
  • Sex or gender: male[29]
  • Doctoral student: Heinrich Bruns[30], Leo Königsberger[31], Nikolai Bugaev[32], Ferdinand Rudio[33], Carl David Tolmé Runge[34], Hermann Schwarz[35], Friedrich Schottky[36], Lazarus Fuchs[37], Sofia Kovalevskaya[38], Friedrich Schur[39], Hermann Stahl[40], Georg Hettner[41], Reinhold von Lilienthal[42], Max Simon[43]

Body

Works and Contributions

Things named for Karl Weierstraß include Weierstrass function[44], Bolzano–Weierstrass theorem[45], extreme value theorem[46], Stone–Weierstrass theorem[47], Lindemann–Weierstrass theorem[48], Weierstrass substitution[49], Weierstrass factorization theorem[50], and Weierstrass's elliptic functions[51].

Why It Matters

Karl Weierstraß has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[52] He is known by 83 alternative names across languages and contexts.[53]

He is credited with the discovery of (ε, δ)-definition of limit[54], a definition[55]. Entities named for him include Weierstrass function[44], Bolzano–Weierstrass theorem[45], extreme value theorem[46], Stone–Weierstrass theorem[47], Lindemann–Weierstrass theorem[48], and Weierstrass substitution[49].

His notable doctoral advisees include Georg Cantor[56], Sofia Kovalevskaya[57], Carl David Tolmé Runge[58], Ferdinand Georg Frobenius[59], Hermann Schwarz[60], and Wilhelm Killing[61].

FAQs

Where was Karl Weierstraß born?

Karl Weierstraß's place of birth was Ostenfelde[1].

Where did Karl Weierstraß die?

Karl Weierstraß died in Berlin[2].

What did Karl Weierstraß do for work?

Karl Weierstraß worked as a mathematician[3], university teacher[4], and physicist[5].

Where did Karl Weierstraß go to school?

Karl Weierstraß was educated at University of Bonn[17], University of Münster[18], Gymnasium Theodorianum[19], and University of Königsberg[20].

What awards did Karl Weierstraß receive?

Honors received include honorary doctor of the University of Königsberg[22], Copley Medal[23], Pour le Mérite for Sciences and Arts order[24], and Helmholtz Medal[25].

What did Karl Weierstraß discover?

Karl Weierstraß is credited as discoverer of (ε, δ)-definition of limit[54].

References

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

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [29] ↑ . wikidata.org.
  4. [8] ↑ . wikidata.org.
  5. [17] ↑ . wikidata.org.
  6. [18] ↑ . wikidata.org.
  7. [19] ↑ . wikidata.org.
  8. [20] ↑ . wikidata.org.
  9. [9] ↑ . wikidata.org.
  10. [10] ↑ . wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [3] ↑ . wikidata.org.
  14. [4] ↑ . wikidata.org.
  15. [5] ↑ . wikidata.org.
  16. [13] ↑ . wikidata.org.
  17. [14] ↑ . wikidata.org.
  18. [15] ↑ . wikidata.org.
  19. [16] ↑ . wikidata.org.
  20. [7] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.
  26. [27] ↑ . wikidata.org.
  27. [28] ↑ . wikidata.org.
  28. [21] ↑ . wikidata.org.
  29. [30] ↑ . wikidata.org.
  30. [31] ↑ . wikidata.org.
  31. [32] ↑ . wikidata.org.
  32. [33] ↑ . wikidata.org.
  33. [34] ↑ . wikidata.org.
  34. [35] ↑ . wikidata.org.
  35. [36] ↑ . wikidata.org.
  36. [37] ↑ . wikidata.org.
  37. [38] ↑ . wikidata.org.
  38. [39] ↑ . wikidata.org.
  39. [40] ↑ . wikidata.org.
  40. [41] ↑ . wikidata.org.
  41. [42] ↑ . wikidata.org.
  42. [43] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [54] ↑ . wikidata.org. → on this site
  2. [56] ↑ . wikidata.org. → on this site
  3. [57] ↑ . wikidata.org. → on this site
  4. [58] ↑ . wikidata.org. → on this site
  5. [59] ↑ . wikidata.org. → on this site
  6. [60] ↑ . wikidata.org. → on this site
  7. [61] ↑ . wikidata.org. → on this site
  8. [44] ↑ . wikidata.org. → on this site
  9. [45] ↑ . wikidata.org. → on this site
  10. [46] ↑ . wikidata.org. → on this site
  11. [47] ↑ . wikidata.org. → on this site
  12. [48] ↑ . wikidata.org. → on this site
  13. [49] ↑ . wikidata.org. → on this site
  14. [50] ↑ . wikidata.org. → on this site
  15. [51] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [55] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [6] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [52] ↑ . Wikidata sitelinks. wikidata.org.
  3. [53] ↑ . Wikidata aliases. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Karl Weierstraß. Retrieved October 13, 2026, from https://4ort.xyz/entity/karl-weierstra
MLA “Karl Weierstraß.” 4ort.xyz Knowledge Graph, 4ort.xyz, 13 Oct. 2026, https://4ort.xyz/entity/karl-weierstra.
BibTeX @misc{4ortxyz_karl-weierstra_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Karl Weierstraß}}, year = {2026}, url = {https://4ort.xyz/entity/karl-weierstra}, note = {Accessed: 2026-10-13}}
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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. 27d ago · Geagea · 2026-09-17 view diff on Wikidata ↗
    Described at url → https://www.nplg.gov.ge/wikidict/index.php/ვაიერშტრასი_კარლ
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  2. 10w ago · Epìdosis · 2026-08-04 view diff on Wikidata ↗
    Accademia nazionale dei lincei id → 2434-weierstrass-karl
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  3. 13w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 4TKXA6
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  4. 15w ago · Printstream · 2026-06-26 view diff on Wikidata ↗
    P14536 → 412474
    "/* wbcreateclaim-create:1| */ P14536: 412474, #quickstatements; #temporary_batch_1782462304762"
  5. 21w ago · Quesotiotyo · 2026-05-20 view diff on Wikidata ↗
    Local thumb → —
    P14397 → 6988
    "/* wbcreateclaim-create:1| */ P14397: 6988, [[:toollabs:quickstatements/#/batch/258229|batch #258229]]"
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