Kazimierz Twardowski

Polish philosopher, psychologist and logician (1866–1938)
Person human Q381994
Kazimierz Twardowski
Nieznany/Unknown · Public Domain · Wikimedia
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Summary

Kazimierz Twardowski is a human[1]. Born in Vienna[2], he… he was born on October 20, 1866[3]. He passed away in Lviv[4]. He died on February 11, 1938[5]. He worked as a philosopher[6], university teacher[7], mathematician[8], and psychologist[9]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (200 views/month, #7,262 of 1,000,298).[10]

Key Facts

  • Kazimierz Twardowski's place of birth was Vienna[2].
  • Kazimierz Twardowski passed away in Lviv[4].
  • Kazimierz Twardowski was born on October 20, 1866[3].
  • Kazimierz Twardowski died on February 11, 1938[5].
  • Kazimierz Twardowski is buried at Lychakiv Cemetery[11].
  • Kazimierz Twardowski held citizenship in Austria–Hungary[12].
  • Kazimierz Twardowski held citizenship in Second Polish Republic[13].
  • Kazimierz Twardowski is identified as part of the Poles ethnic group[14].
  • Kazimierz Twardowski worked as a philosopher[6].
  • Kazimierz Twardowski worked as a university teacher[7].
  • Kazimierz Twardowski worked as a mathematician[8].
  • Kazimierz Twardowski's professions included psychologist[9].
  • Kazimierz Twardowski's field of work was philosophy[15].
  • Kazimierz Twardowski's field of work was positivism[16].
  • Kazimierz Twardowski's field of work was logical positivism[17].
  • Kazimierz Twardowski's field of work was psychology[18].
  • Kazimierz Twardowski's field of work was mathematics[19].
  • Kazimierz Twardowski's field of work was educational system[20].
  • Kazimierz Twardowski held the position of rector[21].
  • Kazimierz Twardowski was employed by Lviv University[22].
  • Kazimierz Twardowski's education included a stint at University of Vienna[23].
  • Kazimierz Twardowski was educated at Theresianum[24].
  • Kazimierz Twardowski was educated at Lviv University[25].
  • Kazimierz Twardowski's doctoral advisor was Robert von Zimmermann[26].
  • Kazimierz Twardowski received the Cross of Valour[27].

Body

Origins and Family

Born in Vienna[2], Kazimierz Twardowski… he was born on October 20, 1866[3]. He is identified as part of the Poles ethnic group[14].

Education

Educated at University of Vienna[23], a university[28], in Austria[29], founded in 1365[30], headquartered in Vienna[31]; Theresianum[24], a school[32], in Austria[33], founded in 1746[34], headquartered in Neue Favorita[35]; and Lviv University[25], a public university[36], in Ukraine[37], founded in 1661[38], headquartered in Main building of Lviv University[39]. Kazimierz Twardowski's doctoral advisor was Robert von Zimmermann[26]. Studied under Franz Brentano[40] and Robert von Zimmermann[41].

Career and Affiliations

Recorded occupations include philosopher[6], university teacher[7], mathematician[8], and psychologist[9]. Fields of work include philosophy[15], an academic discipline[42]; positivism[16], a school of thought[43]; logical positivism[17], a philosophical movement[44]; psychology[18], an academic discipline[45]; mathematics[19], an academic discipline[46]; and educational system[20], an industry[47]. Among Kazimierz Twardowski's employers was Lviv University[22]. He held the position of rector[21]. Doctoral students include Stefan Banach[48], a mathematician[49], 1892–1945[50], of Cisleithania[51], awarded the Order of the White Eagle[52], specialised in mathematics[53]; Jan Łukasiewicz[54], a mathematician[55], 1878–1956[56], of Austria–Hungary[57], awarded the Commander of the Order of Polonia Restituta[58], specialised in logic[59]; Stanisław Leśniewski[60], a mathematician[61], 1886–1939[62], of Poland[63], specialised in mathematics[64]; Kazimierz Ajdukiewicz[65]; Tadeusz Kotarbiński[66]; and Seweryna Maria Romahnowa[67].

Recognition

Awards received include Cross of Valour[27], a courage award[68], in Poland[69], founded in 1920[70] and City of Łódź Award[71], an award[72], in Poland[73], founded in 1927[74].

Death and Burial

Kazimierz Twardowski died on February 11, 1938[5]. He passed away in Lviv[4]. Burial took place at Lychakiv Cemetery[11].

Why It Matters

Kazimierz Twardowski ranks in the top 0.73% of human entities by monthly Wikipedia readership (200 views/month, #7,262 of 1,000,298).[10] He has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.[75] He is known by 25 alternative names across languages and contexts.[76]

He has been cited as an influence by Stanisław Leśniewski[77], a mathematician[78], 1886–1939[79], of Poland[80], specialised in mathematics[81]; George Frederick Stout[82], a psychologist[83], 1860–1944[84], of United Kingdom[85], awarded the Fellow of the British Academy[86]; and Władysław Witwicki[87], a psychologist[88], 1878–1948[89], of Poland[90], specialised in psychology[91].

His notable doctoral advisees include Stefan Banach[92], a mathematician[93], 1892–1945[94], of Cisleithania[95], awarded the Order of the White Eagle[96], specialised in mathematics[97]; Jan Łukasiewicz[98]; Stanisław Leśniewski[99]; Tadeusz Kotarbiński[100]; and Kazimierz Ajdukiewicz[101].

FAQs

Where was Kazimierz Twardowski born?

Kazimierz Twardowski was born in Vienna[2].

Where did Kazimierz Twardowski die?

Kazimierz Twardowski passed away in Lviv[4].

What did Kazimierz Twardowski do for work?

Kazimierz Twardowski worked as philosopher[6], university teacher[7], mathematician[8], and psychologist[9].

Where did Kazimierz Twardowski go to school?

Kazimierz Twardowski was educated at University of Vienna[23], Theresianum[24], and Lviv University[25].

What awards did Kazimierz Twardowski receive?

Honors received include Cross of Valour[27] and City of Łódź Award[71].

Who did Kazimierz Twardowski influence?

Kazimierz Twardowski has been cited as an influence by Stanisław Leśniewski[77], George Frederick Stout[82], and Władysław Witwicki[87].

References

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

Direct Wikidata claims

  1. [2] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  2. [4] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  3. [12] ↑ . wikidata.org.
  4. [13] ↑ . wikidata.org.
  5. [21] ↑ . wikidata.org.
  6. [23] ↑ . wikidata.org.
  7. [24] ↑ . wikidata.org.
  8. [25] ↑ . Retrieved . wikidata.org.
  9. [15] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  10. [16] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  11. [17] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  12. [18] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  13. [19] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  14. [20] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  15. [6] ↑ . wikidata.org.
  16. [7] ↑ . wikidata.org.
  17. [8] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  18. [9] ↑ . Retrieved . wikidata.org.
  19. [22] ↑ . wikidata.org.
  20. [11] ↑ . Lychakiv Necropolis. wikidata.org.
  21. [27] ↑ . wikidata.org.
  22. [71] ↑ . Retrieved . wikidata.org.
  23. [14] ↑ . wikidata.org.
  24. [26] ↑ . Mathematics Genealogy Project. wikidata.org.
  25. [48] ↑ . Mathematics Genealogy Project. wikidata.org.
  26. [54] ↑ . Mathematics Genealogy Project. wikidata.org.
  27. [60] ↑ . Mathematics Genealogy Project. wikidata.org.
  28. [65] ↑ . Mathematics Genealogy Project. wikidata.org.
  29. [66] ↑ . Mathematics Genealogy Project. wikidata.org.
  30. [67] ↑ . Mathematics Genealogy Project. wikidata.org.
  31. [3] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  32. [5] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  33. [40] ↑ . wikidata.org.
  34. [41] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [77] ↑ . wikidata.org. → on this site
  2. [82] ↑ . wikidata.org. → on this site
  3. [87] ↑ . wikidata.org. → on this site
  4. [92] ↑ . wikidata.org. → on this site
  5. [98] ↑ . wikidata.org. → on this site
  6. [99] ↑ . wikidata.org. → on this site
  7. [100] ↑ . wikidata.org. → on this site
  8. [101] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [28] ↑ . Wikidata. wikidata.org. → on this site
  2. [29] ↑ . Wikidata. wikidata.org. → on this site
  3. [30] ↑ . Wikidata. wikidata.org. → on this site
  4. [31] ↑ . Wikidata. wikidata.org. → on this site
  5. [32] ↑ . Wikidata. wikidata.org. → on this site
  6. [33] ↑ . Wikidata. wikidata.org. → on this site
  7. [34] ↑ . Wikidata. wikidata.org. → on this site
  8. [35] ↑ . Wikidata. wikidata.org. → on this site
  9. [36] ↑ . Wikidata. wikidata.org. → on this site
  10. [37] ↑ . Wikidata. wikidata.org. → on this site
  11. [38] ↑ . Wikidata. wikidata.org. → on this site
  12. [39] ↑ . Wikidata. wikidata.org. → on this site
  13. [42] ↑ . Wikidata. wikidata.org. → on this site
  14. [43] ↑ . Wikidata. wikidata.org. → on this site
  15. [44] ↑ . Wikidata. wikidata.org. → on this site
  16. [45] ↑ . Wikidata. wikidata.org. → on this site
  17. [46] ↑ . Wikidata. wikidata.org. → on this site
  18. [47] ↑ . Wikidata. wikidata.org. → on this site
  19. [68] ↑ . Wikidata. wikidata.org. → on this site
  20. [69] ↑ . Wikidata. wikidata.org. → on this site
  21. [70] ↑ . Wikidata. wikidata.org. → on this site
  22. [72] ↑ . Wikidata. wikidata.org. → on this site
  23. [73] ↑ . Wikidata. wikidata.org. → on this site
  24. [74] ↑ . Wikidata. wikidata.org. → on this site
  25. [49] ↑ . Wikidata. wikidata.org. → on this site
  26. [50] ↑ . Wikidata. wikidata.org. → on this site
  27. [51] ↑ . Wikidata. wikidata.org. → on this site
  28. [52] ↑ . Wikidata. wikidata.org. → on this site
  29. [53] ↑ . Wikidata. wikidata.org. → on this site
  30. [55] ↑ . 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
  35. [61] ↑ . Wikidata. wikidata.org. → on this site
  36. [62] ↑ . Wikidata. wikidata.org. → on this site
  37. [63] ↑ . Wikidata. wikidata.org. → on this site
  38. [64] ↑ . Wikidata. wikidata.org. → on this site
  39. [78] ↑ . Wikidata. wikidata.org. → on this site
  40. [79] ↑ . Wikidata. wikidata.org. → on this site
  41. [80] ↑ . Wikidata. wikidata.org. → on this site
  42. [81] ↑ . Wikidata. wikidata.org. → on this site
  43. [83] ↑ . Wikidata. wikidata.org. → on this site
  44. [84] ↑ . Wikidata. wikidata.org. → on this site
  45. [85] ↑ . Wikidata. wikidata.org. → on this site
  46. [86] ↑ . Wikidata. wikidata.org. → on this site
  47. [88] ↑ . Wikidata. wikidata.org. → on this site
  48. [89] ↑ . Wikidata. wikidata.org. → on this site
  49. [90] ↑ . Wikidata. wikidata.org. → on this site
  50. [91] ↑ . Wikidata. wikidata.org. → on this site
  51. [93] ↑ . Wikidata. wikidata.org. → on this site
  52. [94] ↑ . Wikidata. wikidata.org. → on this site
  53. [95] ↑ . Wikidata. wikidata.org. → on this site
  54. [96] ↑ . Wikidata. wikidata.org. → on this site
  55. [97] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [10] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [75] ↑ . Wikidata sitelinks. wikidata.org.
  3. [76] ↑ . 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). Kazimierz Twardowski. Retrieved October 11, 2026, from https://4ort.xyz/entity/kazimierz-twardowski
MLA “Kazimierz Twardowski.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/kazimierz-twardowski.
BibTeX @misc{4ortxyz_kazimierz-twardowski_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kazimierz Twardowski}}, year = {2026}, url = {https://4ort.xyz/entity/kazimierz-twardowski}, note = {Accessed: 2026-10-11}}
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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. 4d ago · Epìdosis · 2026-10-08 view diff on Wikidata ↗
    Wikipedia languages → ['ar', 'arz', 'be', 'be_x_old', 'bg', 'ca', 'cs', 'de', 'en', 'eo', 'es', 'et',
    Sitelink count → 28
    Nlb authority id (belarus) → SEK-373029
    Claims rich → —
    "/* wbcreateclaim-create:1| */ Nlb authority id (belarus): SEK-373029, [[:toollabs:quickstatements/#/batch/289805|batch #289805]]"
  2. 15w ago · Epìdosis · 2026-06-27 view diff on Wikidata ↗
    Parsifal cluster id → 355565
    "/* wbcreateclaim-create:1| */ Parsifal cluster id: 355565, [[:toollabs:quickstatements/#/batch/259855|batch #259855]]"
  3. 17w ago · Jindřich Rubeš · 2026-06-11 view diff on Wikidata ↗
    Maintained by wikiproject → WikiProject Mathematics
    Family name → Twardowski
    Employer → —
    Svkkl authority id → p0109329-Twardowski-Kazimierz-18661938
    + 31 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Svkkl authority id: p0109329-Twardowski-Kazimierz-18661938, [[:toollabs:quickstatements/#/batch/259495|batch #259495]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.