Sigurður Helgason

Icelandic mathematician (1927–2023)
Person human Q1601312
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Sigurður Helgason

Summary

Sigurður Helgason is a human[1]. He was born in Akureyri[2]. He was born on September 30, 1927[3]. He passed away in Belmont[4]. He died on December 3, 2023[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 (18 views/month, #7,295 of 1,000,298).[8]

Key Facts

  • Sigurður Helgason was born in Akureyri[2].
  • Sigurður Helgason died in Belmont[4].
  • Sigurður Helgason was born on September 30, 1927[3].
  • Sigurður Helgason died on December 3, 2023[5].
  • Sigurður Helgason held citizenship in Iceland[9].
  • Sigurður Helgason worked as a mathematician[6].
  • Sigurður Helgason's professions included university teacher[7].
  • Sigurður Helgason's field of work was geometry[10].
  • Sigurður Helgason's field of work was mathematics[11].
  • Among Sigurður Helgason's employers was Massachusetts Institute of Technology[12].
  • Among Sigurður Helgason's employers was Princeton University[13].
  • Among Sigurður Helgason's employers was University of Chicago[14].
  • Sigurður Helgason was employed by Columbia University[15].
  • Sigurður Helgason was employed by Massachusetts Institute of Technology[16].
  • Sigurður Helgason's education included a stint at Princeton University[17].
  • Sigurður Helgason was educated at Akureyri Junior College[18].
  • Sigurður Helgason's education included a stint at University of Iceland[19].
  • Sigurður Helgason was educated at University of Copenhagen[20].
  • Sigurður Helgason's doctoral advisor was Salomon Bochner[21].
  • Sigurður Helgason received the Guggenheim Fellowship[22].
  • Sigurður Helgason received the Leroy P. Steele Prize[23].
  • Sigurður Helgason received the Fellow of the American Mathematical Society[24].
  • Sigurður Helgason received the Knight Grand Cross of the Order of the Falcon[25].
  • Sigurður Helgason received the honorary doctor of the University of Uppsala[26].
  • Sigurður Helgason received the honorary doctorate at the University of Iceland[27].

Body

Origins and Family

Born in Akureyri[2], Sigurður Helgason… he was born on September 30, 1927[3].

Education

Educated at Princeton University[17], a private university[28], in United States[29], founded in 1746[30], headquartered in Princeton[31]; Akureyri Junior College[18], a college[32], in Iceland[33], founded in 1880[34]; University of Iceland[19], a public university[35], in Iceland[36], founded in 1911[37], headquartered in Reykjavík[38]; and University of Copenhagen[20], a public research university[39], in Denmark[40], founded in 1479[41]. Sigurður Helgason's doctoral advisor was Salomon Bochner[21].

Career and Affiliations

Recorded occupations include mathematician[6] and university teacher[7]. Fields of work include geometry[10], a branch of mathematics[42] and mathematics[11], an academic discipline[43]. Employers include Massachusetts Institute of Technology[12], a university[44], in United States[45], founded in 1861[46], headquartered in Cambridge[47]; Princeton University[13], a private university[48], in United States[49], founded in 1746[50], headquartered in Princeton[51]; University of Chicago[14], a private university[52], in United States[53], founded in 1890[54], headquartered in Chicago[55]; and Columbia University[15], a private university[56], in United States[57], founded in 1754[58], headquartered in Manhattan[59]. Doctoral students include James Lepowsky[60], Mogens Flensted-Jensen[61], Árpád Kurusa[62], Thomas Oakley Sherman[63], Benny Ngo Cheng[64], and Lars-Aake Lindahl[65].

Recognition

Awards received include Guggenheim Fellowship[22], a fellowship grant[66], in United States[67], founded in 1925[68]; Leroy P. Steele Prize[23], a group of awards[69], in United States[70], founded in 1970[71]; Fellow of the American Mathematical Society[24], a fellowship award[72]; Knight Grand Cross of the Order of the Falcon[25], a grade of an order[73], in Iceland[74], founded in 1921[75]; honorary doctor of the University of Uppsala[26], an award[76], in Sweden[77]; and honorary doctorate at the University of Iceland[27], an award[78], in Iceland[79].

Death and Burial

Sigurður Helgason died on December 3, 2023[5]. He died in Belmont[4].

Why It Matters

Sigurður Helgason ranks in the top 0.73% of human entities by monthly Wikipedia readership (18 views/month, #7,295 of 1,000,298).[8] He has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[80] He is known by 4 alternative names across languages and contexts.[81]

His notable doctoral advisees include James Lepowsky[82], a mathematician[83], b. 1944[84], of United States[85], awarded the Guggenheim Fellowship[86].

FAQs

Where was Sigurður Helgason born?

Born in Akureyri[2], Sigurður Helgason…

Where did Sigurður Helgason die?

Sigurður Helgason passed away in Belmont[4].

What did Sigurður Helgason do for work?

Sigurður Helgason worked as mathematician[6] and university teacher[7].

Where did Sigurður Helgason go to school?

Sigurður Helgason was educated at Princeton University[17], Akureyri Junior College[18], University of Iceland[19], and University of Copenhagen[20].

What awards did Sigurður Helgason receive?

Honors received include Guggenheim Fellowship[22], Leroy P. Steele Prize[23], Fellow of the American Mathematical Society[24], and Knight Grand Cross of the Order of the Falcon[25].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [4] . mbl.is. mbl.is. Provenance: wikidata.org.
  3. [9] . wikidata.org.
  4. [17] . math.mit.edu. math.mit.edu. Provenance: wikidata.org.
  5. [18] . math.mit.edu. math.mit.edu. Provenance: wikidata.org.
  6. [19] . math.mit.edu. math.mit.edu. Provenance: wikidata.org.
  7. [20] . math.mit.edu. math.mit.edu. Provenance: wikidata.org.
  8. [10] . MacTutor History of Mathematics archive. wikidata.org.
  9. [11] . Czech National Authority Database. Retrieved . wikidata.org.
  10. [6] . Integrated Authority File. Retrieved . wikidata.org.
  11. [7] . wikidata.org.
  12. [12] . math.mit.edu. math.mit.edu. Provenance: wikidata.org.
  13. [13] . math.mit.edu. math.mit.edu. Provenance: wikidata.org.
  14. [14] . math.mit.edu. math.mit.edu. Provenance: wikidata.org.
  15. [15] . math.mit.edu. math.mit.edu. Provenance: wikidata.org.
  16. [16] . math.mit.edu. math.mit.edu. Provenance: wikidata.org.
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  18. [23] . Google Books. books.google.cat. Provenance: wikidata.org.
  19. [24] . ams.org. Retrieved . ams.org. Provenance: wikidata.org.
  20. [25] . Google Books. books.google.cat. Provenance: wikidata.org.
  21. [26] . wikidata.org.
  22. [27] . wikidata.org.
  23. [21] . wikidata.org.
  24. [60] . Mathematics Genealogy Project. wikidata.org.
  25. [61] . Mathematics Genealogy Project. wikidata.org.
  26. [62] . Mathematics Genealogy Project. wikidata.org.
  27. [63] . Mathematics Genealogy Project. wikidata.org.
  28. [64] . Mathematics Genealogy Project. wikidata.org.
  29. [65] . Mathematics Genealogy Project. wikidata.org.
  30. [3] . MacTutor History of Mathematics archive. wikidata.org.
  31. [5] . mbl.is. mbl.is. Provenance: wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [82] . 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
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  7. [34] . Wikidata. wikidata.org. → on this site
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  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
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  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
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  27. [54] . Wikidata. wikidata.org. → on this site
  28. [55] . Wikidata. wikidata.org. → on this site
  29. [56] . Wikidata. wikidata.org. → on this site
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  31. [58] . Wikidata. wikidata.org. → on this site
  32. [59] . Wikidata. wikidata.org. → on this site
  33. [66] . Wikidata. wikidata.org. → on this site
  34. [67] . Wikidata. wikidata.org. → on this site
  35. [68] . Wikidata. wikidata.org. → on this site
  36. [69] . Wikidata. wikidata.org. → on this site
  37. [70] . Wikidata. wikidata.org. → on this site
  38. [71] . Wikidata. wikidata.org. → on this site
  39. [72] . Wikidata. wikidata.org. → on this site
  40. [73] . Wikidata. wikidata.org. → on this site
  41. [74] . Wikidata. wikidata.org. → on this site
  42. [75] . Wikidata. wikidata.org. → on this site
  43. [76] . Wikidata. wikidata.org. → on this site
  44. [77] . Wikidata. wikidata.org. → on this site
  45. [78] . Wikidata. wikidata.org. → on this site
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  47. [83] . Wikidata. wikidata.org. → on this site
  48. [84] . Wikidata. wikidata.org. → on this site
  49. [85] . Wikidata. wikidata.org. → on this site
  50. [86] . 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. [80] . Wikidata sitelinks. wikidata.org.
  3. [81] . Wikidata aliases. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Sigurður Helgason. Retrieved April 11, 2026, from https://4ort.xyz/entity/sigur-ur-helgason
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BibTeX @misc{4ortxyz_sigur-ur-helgason_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Sigurður Helgason}}, year = {2026}, url = {https://4ort.xyz/entity/sigur-ur-helgason}, note = {Accessed: 2026-04-11}}
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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. 18d ago · PKalnai · 2026-05-19 view diff on Wikidata ↗
    Erdős number {'amount': '+3'}
    Place of birth Akureyri
    Educated at Princeton University, Akureyri Junior College, University of Iceland +1
    Maintained by wikiproject WikiProject Mathematics
    + 27 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P1153]]: 6603677440"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.