Cassius Ionescu-Tulcea

American mathematician
Person human Q15222811
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Cassius Ionescu-Tulcea

Summary

Cassius Ionescu-Tulcea is a human[1]. His place of birth was Bucharest[2]. He was born on +1923-10-14T00:00:00Z[3]. He died on +2021-03-06T00:00:00Z[4]. He worked as a mathematician[5] and university teacher[6]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (4 views/month, #7,297 of 1,000,298).[7]

Key Facts

  • Born in Bucharest[2], Cassius Ionescu-Tulcea…
  • Cassius Ionescu-Tulcea was born on +1923-10-14T00:00:00Z[3].
  • Cassius Ionescu-Tulcea died on +2021-03-06T00:00:00Z[4].
  • Cassius Ionescu-Tulcea was married to Alexandra Bellow[8].
  • Cassius Ionescu-Tulcea held citizenship in United States[9].
  • Cassius Ionescu-Tulcea's professions included mathematician[5].
  • Cassius Ionescu-Tulcea worked as a university teacher[6].
  • Cassius Ionescu-Tulcea's field of work was mathematics[10].
  • Cassius Ionescu-Tulcea's field of work was statistics[11].
  • Cassius Ionescu-Tulcea's field of work was mathematical analysis[12].
  • Cassius Ionescu-Tulcea was employed by Northwestern University[13].
  • Among Cassius Ionescu-Tulcea's employers was University of Pennsylvania[14].
  • Among Cassius Ionescu-Tulcea's employers was University of Illinois Urbana–Champaign[15].
  • Cassius Ionescu-Tulcea's education included a stint at University of Bucharest[16].
  • Cassius Ionescu-Tulcea's education included a stint at Yale University[17].
  • Cassius Ionescu-Tulcea's doctoral advisor was Einar Hille[18].
  • Cassius Ionescu-Tulcea is recorded as male[19].
  • Cassius Ionescu-Tulcea's instance of is recorded as human[20].
  • Cassius Ionescu-Tulcea supervised Robert Langlands as a doctoral student[21].
  • Cassius Ionescu-Tulcea supervised Radu Theodorescu as a doctoral student[22].
  • Cassius Ionescu-Tulcea supervised George Maltese as a doctoral student[23].
  • Cassius Ionescu-Tulcea supervised Nicolae Dinculeanu as a doctoral student[24].
  • Cassius Ionescu-Tulcea supervised Stephen M. Plafker as a doctoral student[25].
  • Cassius Ionescu-Tulcea supervised William Warren Fairchild as a doctoral student[26].
  • Cassius Ionescu-Tulcea supervised Richard Joseph Maher as a doctoral student[27].

Body

Origins and Family

Cassius Ionescu-Tulcea's place of birth was Bucharest[2]. He was born on +1923-10-14T00:00:00Z[3].

Education

Educated at University of Bucharest[16], a public university[28], in Romania[29], founded in 1864[30], headquartered in Bucharest[31] and Yale University[17], a private university[32], in United States[33], founded in 1701[34], headquartered in New Haven[35]. Cassius Ionescu-Tulcea's doctoral advisor was Einar Hille[18].

Career and Affiliations

Recorded occupations include mathematician[5] and university teacher[6]. Fields of work include mathematics[10], an academic discipline[36]; statistics[11], an academic major[37]; and mathematical analysis[12], an academic discipline[38]. Employers include Northwestern University[13], a private university[39], in United States[40], founded in 1851[41], headquartered in Evanston[42]; University of Pennsylvania[14], a private university[43], in United States[44], founded in 1740[45], headquartered in Philadelphia[46]; and University of Illinois Urbana–Champaign[15], a public research university[47], in United States[48], founded in 1867[49]. Doctoral students include Robert Langlands[21], a mathematician[50], b. 1936[51], of Canada[52], awarded the Fellow of the Royal Society[53], specialised in number theory[54]; Radu Theodorescu[22], a mathematician[55], 1933–2007[56], of Romania[57], awarded the Fellow of the Institute of Mathematical Statistics[58]; George Maltese[23], a mathematician[59], 1931–2009[60], of United States[61]; Nicolae Dinculeanu[24], a mathematician[62], 1925–2024[63], of Romania[64], specialised in mathematics[65]; Stephen M. Plafker[25]; and William Warren Fairchild[26].

Personal Life

Among Cassius Ionescu-Tulcea's spouses was Alexandra Bellow[8].

Death and Burial

Cassius Ionescu-Tulcea died on +2021-03-06T00:00:00Z[4].

Why It Matters

Cassius Ionescu-Tulcea ranks in the top 0.73% of human entities by monthly Wikipedia readership (4 views/month, #7,297 of 1,000,298).[7]

FAQs

Where was Cassius Ionescu-Tulcea born?

Cassius Ionescu-Tulcea's place of birth was Bucharest[2].

Who was Cassius Ionescu-Tulcea married to?

Cassius Ionescu-Tulcea's spouses include Alexandra Bellow[8].

What did Cassius Ionescu-Tulcea do for work?

Cassius Ionescu-Tulcea worked as mathematician[5] and university teacher[6].

Where did Cassius Ionescu-Tulcea go to school?

Cassius Ionescu-Tulcea was educated at University of Bucharest[16] and Yale University[17].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [19] . Czech National Authority Database. Retrieved . wikidata.org.
  3. [8] . wikidata.org.
  4. [9] . wikidata.org.
  5. [20] . wikidata.org.
  6. [16] . wikidata.org.
  7. [17] . Retrieved . wikidata.org.
  8. [10] . Czech National Authority Database. Retrieved . wikidata.org.
  9. [11] . Czech National Authority Database. Retrieved . wikidata.org.
  10. [12] . Czech National Authority Database. Retrieved . wikidata.org.
  11. [5] . Czech National Authority Database. Retrieved . wikidata.org.
  12. [6] . Czech National Authority Database. Retrieved . wikidata.org.
  13. [13] . wikidata.org.
  14. [14] . Retrieved . wikidata.org.
  15. [15] . Retrieved . wikidata.org.
  16. [18] . Mathematics Genealogy Project. wikidata.org.
  17. [21] . Mathematics Genealogy Project. wikidata.org.
  18. [22] . Mathematics Genealogy Project. wikidata.org.
  19. [23] . Mathematics Genealogy Project. wikidata.org.
  20. [24] . Mathematics Genealogy Project. wikidata.org.
  21. [25] . Mathematics Genealogy Project. wikidata.org.
  22. [26] . Mathematics Genealogy Project. wikidata.org.
  23. [27] . Mathematics Genealogy Project. wikidata.org.
  24. [3] . wikidata.org.
  25. [4] . Retrieved . wikidata.org.

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. [40] . Wikidata. wikidata.org. → on this site
  14. [41] . Wikidata. wikidata.org. → on this site
  15. [42] . Wikidata. wikidata.org. → on this site
  16. [43] . Wikidata. wikidata.org. → on this site
  17. [44] . Wikidata. wikidata.org. → on this site
  18. [45] . 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. [53] . Wikidata. wikidata.org. → on this site
  27. [54] . Wikidata. wikidata.org. → on this site
  28. [55] . Wikidata. wikidata.org. → on this site
  29. [56] . Wikidata. wikidata.org. → on this site
  30. [57] . Wikidata. wikidata.org. → on this site
  31. [58] . Wikidata. wikidata.org. → on this site
  32. [59] . Wikidata. wikidata.org. → on this site
  33. [60] . Wikidata. wikidata.org. → on this site
  34. [61] . Wikidata. wikidata.org. → on this site
  35. [62] . Wikidata. wikidata.org. → on this site
  36. [63] . Wikidata. wikidata.org. → on this site
  37. [64] . Wikidata. wikidata.org. → on this site
  38. [65] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [7] . Wikimedia Foundation. dumps.wikimedia.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). Cassius Ionescu-Tulcea. Retrieved May 3, 2026, from https://4ort.xyz/entity/cassius-ionescu-tulcea
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