Olli Lehto

Finnish mathematician (1925–2020)
Person human Q1459204
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Olli Lehto

Summary

Olli Lehto is a human[1]. Born in Helsinki[2], he… he was born on +1925-05-30T00:00:00Z[3]. He passed away in Helsinki[4]. He died on +2020-12-31T00:00:00Z[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 (2 views/month, #7,299 of 1,000,298).[8]

Key Facts

  • Olli Lehto's place of birth was Helsinki[2].
  • Olli Lehto passed away in Helsinki[4].
  • Olli Lehto was born on +1925-05-30T00:00:00Z[3].
  • Olli Lehto died on +2020-12-31T00:00:00Z[5].
  • Olli Lehto held citizenship in Finland[9].
  • Finnish was Olli Lehto's native language[10].
  • Olli Lehto's professions included mathematician[6].
  • Olli Lehto worked as a university teacher[7].
  • Olli Lehto's field of work was mathematics[11].
  • Olli Lehto's field of work was function theory[12].
  • Olli Lehto held the position of rector[13].
  • Olli Lehto held the position of chancellor[14].
  • Among Olli Lehto's employers was University of Helsinki[15].
  • Among Olli Lehto's employers was Suomen Kaapelitehdas[16].
  • Olli Lehto was employed by Finnish Army[17].
  • Olli Lehto's education included a stint at University of Helsinki[18].
  • Olli Lehto was educated at Helsingin Suomalainen Yhteiskoulu[19].
  • Olli Lehto was educated at ETH Zurich[20].
  • Olli Lehto's doctoral advisor was Rolf Nevanlinna[21].
  • Olli Lehto received the Professor of the Year[22].
  • Olli Lehto received the Fellow of the American Mathematical Society[23].
  • Olli Lehto received the Commander First Class of the Order of the White Rose of Finland[24].
  • Olli Lehto received the Grand Cross of the Order of the Lion of Finland[25].
  • Olli Lehto received the Memorial medal of the Continuation War[26].
  • Olli Lehto received the Knight Commander's Cross of the Order of Merit of the Federal Republic of Germany[27].

Body

Origins and Family

Olli Lehto was born in Helsinki[2]. He was born on +1925-05-30T00:00:00Z[3]. Finnish was his native language[10].

Education

Educated at University of Helsinki[18], a public university[28], in Finland[29], founded in 1640[30], headquartered in University of Helsinki main building[31]; Helsingin Suomalainen Yhteiskoulu[19], a primary school[32], in Finland[33], founded in 1886[34]; and ETH Zurich[20], an institute of technology[35], in Switzerland[36], founded in 1855[37], headquartered in ETH Zurich main building[38]. Olli Lehto's doctoral advisor was Rolf Nevanlinna[21].

Career and Affiliations

Recorded occupations include mathematician[6] and university teacher[7]. Fields of work include mathematics[11], an academic discipline[39] and function theory[12]. Employers include University of Helsinki[15], a public university[40], in Finland[41], founded in 1640[42], headquartered in University of Helsinki main building[43]; Suomen Kaapelitehdas[16], a business[44]; and Finnish Army[17], an army[45], in Finland[46], founded in 1918[47], headquartered in Mikkeli[48]. Positions held include rector[13], an elective office[49] and chancellor[14], a historical profession[50]. Doctoral students include Jussi Väisälä[51], a mathematician[52], b. 1935[53], of Finland[54], specialised in mathematics[55]; Martti Tienari[56], a computer scientist[57], 1935–2013[58], of Finland[59], awarded the Knight First Class of the Order of the White Rose of Finland[60]; Olli Martio[61]; Mika Seppälä[62]; Matti Lehtinen[63]; and Seppo Rickman[64].

Recognition

Awards received include Professor of the Year[22], a science award[65], in Finland[66], founded in 1984[67]; Fellow of the American Mathematical Society[23], a fellowship award[68]; Commander First Class of the Order of the White Rose of Finland[24], a grade of an order[69], in Finland[70], founded in 1919[71]; Grand Cross of the Order of the Lion of Finland[25], a grade of an order[72], in Finland[73], founded in 1942[74]; Memorial medal of the Continuation War[26], a campaign medal[75], in Finland[76], founded in 1957[77]; and Knight Commander's Cross of the Order of Merit of the Federal Republic of Germany[27], a grade of an order[78], in Germany[79].

Death and Burial

Olli Lehto died on +2020-12-31T00:00:00Z[5]. He died in Helsinki[4].

Why It Matters

Olli Lehto ranks in the top 0.73% of human entities by monthly Wikipedia readership (2 views/month, #7,299 of 1,000,298).[8] He has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[80] He is known by 5 alternative names across languages and contexts.[81]

His notable doctoral advisees include Reino Kurki-Suonio[82], a university teacher[83], b. 1937[84], of Finland[85] and Martti Tienari[86], a computer scientist[87], 1935–2013[88], of Finland[89], awarded the Knight First Class of the Order of the White Rose of Finland[90].

FAQs

Where was Olli Lehto born?

Olli Lehto's place of birth was Helsinki[2].

Where did Olli Lehto die?

Olli Lehto passed away in Helsinki[4].

What did Olli Lehto do for work?

Olli Lehto worked as mathematician[6] and university teacher[7].

Where did Olli Lehto go to school?

Olli Lehto was educated at University of Helsinki[18], Helsingin Suomalainen Yhteiskoulu[19], and ETH Zurich[20].

What awards did Olli Lehto receive?

Honors received include Professor of the Year[22], Fellow of the American Mathematical Society[23], Commander First Class of the Order of the White Rose of Finland[24], and Grand Cross of the Order of the Lion of Finland[25].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [4] . MacTutor History of Mathematics archive. wikidata.org.
  3. [9] . wikidata.org.
  4. [13] . wikidata.org.
  5. [14] . wikidata.org.
  6. [18] . MacTutor History of Mathematics archive. wikidata.org.
  7. [19] . MacTutor History of Mathematics archive. wikidata.org.
  8. [20] . MacTutor History of Mathematics archive. wikidata.org.
  9. [11] . Czech National Authority Database. Retrieved . wikidata.org.
  10. [12] . Czech National Authority Database. Retrieved . wikidata.org.
  11. [10] . Biografiskt lexikon för Finland. wikidata.org.
  12. [6] . Czech National Authority Database. Retrieved . yle.fi. Provenance: wikidata.org.
  13. [7] . wikidata.org.
  14. [15] . MacTutor History of Mathematics archive. wikidata.org.
  15. [16] . MacTutor History of Mathematics archive. wikidata.org.
  16. [17] . MacTutor History of Mathematics archive. wikidata.org.
  17. [22] . wikidata.org.
  18. [23] . ams.org. Retrieved . ams.org. Provenance: wikidata.org.
  19. [24] . The National Biography of Finland. Retrieved . wikidata.org.
  20. [25] . The National Biography of Finland. Retrieved . wikidata.org.
  21. [26] . The National Biography of Finland. Retrieved . wikidata.org.
  22. [27] . The National Biography of Finland. Retrieved . wikidata.org.
  23. [21] . wikidata.org.
  24. [51] . Mathematics Genealogy Project. wikidata.org.
  25. [56] . Mathematics Genealogy Project. wikidata.org.
  26. [61] . Mathematics Genealogy Project. wikidata.org.
  27. [62] . Mathematics Genealogy Project. wikidata.org.
  28. [63] . Mathematics Genealogy Project. wikidata.org.
  29. [64] . Mathematics Genealogy Project. wikidata.org.
  30. [3] . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  31. [5] . yle.fi. Retrieved . yle.fi. Provenance: wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [82] . wikidata.org. → on this site
  2. [86] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [49] . Wikidata. wikidata.org. → on this site
  2. [50] . Wikidata. wikidata.org. → on this site
  3. [28] . Wikidata. wikidata.org. → on this site
  4. [29] . Wikidata. wikidata.org. → on this site
  5. [30] . Wikidata. wikidata.org. → on this site
  6. [31] . Wikidata. wikidata.org. → on this site
  7. [32] . Wikidata. wikidata.org. → on this site
  8. [33] . Wikidata. wikidata.org. → on this site
  9. [34] . Wikidata. wikidata.org. → on this site
  10. [35] . Wikidata. wikidata.org. → on this site
  11. [36] . Wikidata. wikidata.org. → on this site
  12. [37] . Wikidata. wikidata.org. → on this site
  13. [38] . Wikidata. wikidata.org. → on this site
  14. [39] . Wikidata. wikidata.org. → on this site
  15. [40] . Wikidata. wikidata.org. → on this site
  16. [41] . Wikidata. wikidata.org. → on this site
  17. [42] . Wikidata. wikidata.org. → on this site
  18. [43] . Wikidata. wikidata.org. → on this site
  19. [44] . Wikidata. wikidata.org. → on this site
  20. [45] . Wikidata. wikidata.org. → on this site
  21. [46] . Wikidata. wikidata.org. → on this site
  22. [47] . Wikidata. wikidata.org. → on this site
  23. [48] . Wikidata. wikidata.org. → on this site
  24. [65] . Wikidata. wikidata.org. → on this site
  25. [66] . Wikidata. wikidata.org. → on this site
  26. [67] . Wikidata. wikidata.org. → on this site
  27. [68] . Wikidata. wikidata.org. → on this site
  28. [69] . Wikidata. wikidata.org. → on this site
  29. [70] . Wikidata. wikidata.org. → on this site
  30. [71] . Wikidata. wikidata.org. → on this site
  31. [72] . Wikidata. wikidata.org. → on this site
  32. [73] . Wikidata. wikidata.org. → on this site
  33. [74] . Wikidata. wikidata.org. → on this site
  34. [75] . Wikidata. wikidata.org. → on this site
  35. [76] . Wikidata. wikidata.org. → on this site
  36. [77] . Wikidata. wikidata.org. → on this site
  37. [78] . Wikidata. wikidata.org. → on this site
  38. [79] . Wikidata. wikidata.org. → on this site
  39. [52] . Wikidata. wikidata.org. → on this site
  40. [53] . Wikidata. wikidata.org. → on this site
  41. [54] . Wikidata. wikidata.org. → on this site
  42. [55] . Wikidata. wikidata.org. → on this site
  43. [57] . Wikidata. wikidata.org. → on this site
  44. [58] . Wikidata. wikidata.org. → on this site
  45. [59] . Wikidata. wikidata.org. → on this site
  46. [60] . Wikidata. wikidata.org. → on this site
  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. [87] . Wikidata. wikidata.org. → on this site
  51. [88] . Wikidata. wikidata.org. → on this site
  52. [89] . Wikidata. wikidata.org. → on this site
  53. [90] . 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). Olli Lehto. Retrieved April 10, 2026, from https://4ort.xyz/entity/olli-lehto
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