Olli Lehto

Finnish mathematician (1925–2020)
Person Human Q1459204
Olli Lehto
Erkki Laitila / Lehtikuva · Public Domain · Wikimedia

Facts

30 properties
Instance of
human
Sex or gender
male[31]
Date of birth
May 30, 1925
Date of death
December 31, 2020
Place of birth
Helsinki
Place of death
Helsinki
Country of citizenship
Finland[7]
Employer
University of Helsinki (1951–1993), Suomen Kaapelitehdas (1947–1962), Finnish Army (1943–1945)[13][14][15]
Field of work
mathematics, function theory[9][10]
Position held
rector (1983–1988), chancellor (1988–1993)[11][12]
Educated at
University of Helsinki (1945–1947), Helsingin Suomalainen Yhteiskoulu (?–1943), ETH Zurich (1947–1949)[16][17][18]
Doctoral advisor
Rolf Nevanlinna[19]
Work location
Helsinki[51]
Languages spoken, written or signed
Finnish, English, German[55][56][57]
Doctoral student
Jussi Väisälä (1959), Martti Tienari (1962), Olli Martio (1967), Mika Seppälä (1978), Matti Lehtinen (1975), Seppo Rickman (1966), Reino Kurki-Suonio (1964), Kalevi Suominen (1966), Aimo Heikki Juhani Hinkkanen (1980), Tapani Kuusalo (1967), Timo Erkama (1973), Yrjö Juve (1954)
+6 moreZerrin Göktürk (1974), Juhani V. Vainio (1985), Ossi Taari (1966), Marjatta Näätänen (1967), Sakari Toppila (1967), Tuomas Sorvali (1972)
[32][33][34][35][36][37][38][39][40][41][42][43][44][45]
Academic thesis
Anwendung orthogonaler Systeme auf gewisse funktionentheoretische Extremal- und Abbildungsprobleme[53]
Allegiance
Finland[52]
Birth name
Olli Erkki Lehto[58]
Erdős number
3
Family name
Lehto[48]
Given name
Olli[49]
Show all 30 facts +6
Maintained by WikiProject
WikiProject Mathematics
Native language
Finnish[8]
Participated in conflict
Continuation War, Lapland War[46][47]
🏷️ Also known as
en Olli Lehto cs O. E. Lehto cs O. Lehto cs Erkki Olavi Lehto cs Olli Erkki Lehto cs Olli E. Lehto ja オッリ・レフト
🔖 Identifiers · 41
VIAF cluster ID
27130164
Library of Congress Authorities ID
n79077524
GND ID
118893610
AE member ID
Lehto_Olli
All-Russian Mathematical Portal ID
51906
Bibliothèque nationale de France ID
12291756f
Biografiskt Lexikon för Finland ID
7201
Biografiskt Lexikon för Finland ID (urn.fi)
5317-1416928957923
BiographySampo person ID
p4383
CiNii Research ID
1140000791624217728
DDB person (GND) ID
118893610
Show all 41 identifiers +29
Deutsche Biographie (GND) ID
118893610
Dialnet author ID
3106553
FAST ID
39125
FactGrid item ID
José María Bustillo
Freebase ID
/m/0108bpb9
Geni profile ID
6000000013394214983
IdRef ID
031762719
J9U entity ID
987007353179105171
KANTO ID
000050368
Kalliope-Verbund (GND) ID
118893610
Kansallisbiografia ID
7201
Leopoldina member ID (new)
olli-lehto
MR Author ID
112055
MacTutor biography ID
Lehto
Mathematics Genealogy Project ID
18690
NACSIS-CAT author ID
DA0060126X
NL CR AUT ID
jx20080509003
NUKAT ID
n94303888
National Library of Latvia ID
000036967
Nationale Thesaurus voor Auteursnamen ID
067993834
Open Library ID
OL398474A
Prabook ID
1397736
SBN author ID
PUVV129354
SHARE Catalogue author ID
41567
Scopus author ID
6602972460
Uppslagsverket Finland ID
LehtoOlli
WorldCat Entities ID
E39PBJwdbwfDgfVHMyyjjtKjmd
ZbMATH author ID
lehto.olli-e

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Member of 5
Languages spoken, written or signed 3
Doctoral student 2
Doctoral students 2
Educated at 2
Employer 2
Occupation 2
Participated in conflict 2
Position held 2
Allegiance 1
Award received 1
Country of citizenship 1
Doctoral advisor 1
Doctoral advisors 1
FactGrid item ID 1
Field of work 1
Instance of 1
Maintained by WikiProject 1
Native language 1
Place of birth 1
Place of death 1
Sex or gender 1
Work location 1
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Summary

Olli Lehto was born on May 30, 1925[1], in Helsinki[2]. He died on December 31, 2020[3], in Helsinki[4]. He worked as a mathematician[5] and university teacher[6].

Why It Matters

Olli Lehto's notable doctoral advisees include Reino Kurki-Suonio[59], a university teacher[60], b. 1937[61], of Finland[62] and Martti Tienari[63], a computer scientist[64], 1935–2013[65], of Finland[66], awarded the Knight First Class of the Order of the White Rose of Finland[67].

FAQs

Where was Olli Lehto born?

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

Where did Olli Lehto die?

Olli Lehto died in Helsinki[4].

What did Olli Lehto do for work?

Olli Lehto worked as a mathematician[5] and university teacher[6].

Where did Olli Lehto go to school?

Olli Lehto was educated at University of Helsinki[16], Helsingin Suomalainen Yhteiskoulu[17], and ETH Zurich[18].

What awards did Olli Lehto receive?

Honors received include Professor of the Year[20], Fellow of the American Mathematical Society[21], Commander First Class of the Order of the White Rose of Finland[22], and Grand Cross of the Order of the Lion of Finland[23].

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] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  3. [31] ↑ . BnF authorities. Retrieved . wikidata.org.
  4. [7] ↑ . wikidata.org.
  5. [11] ↑ . wikidata.org.
  6. [12] ↑ . wikidata.org.
  7. [16] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  8. [17] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  9. [18] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  10. [9] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  11. [10] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  12. [8] ↑ . Biografiskt lexikon för Finland. wikidata.org.
  13. [5] ↑ . Czech National Authority Database. Retrieved . yle.fi. Provenance: wikidata.org.
  14. [6] ↑ . wikidata.org.
  15. [13] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  16. [14] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  17. [15] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . ams.org. Retrieved . ams.org. Provenance: wikidata.org.
  20. [22] ↑ . The National Biography of Finland. Retrieved . wikidata.org.
  21. [23] ↑ . The National Biography of Finland. Retrieved . wikidata.org.
  22. [24] ↑ . The National Biography of Finland. Retrieved . wikidata.org.
  23. [25] ↑ . The National Biography of Finland. Retrieved . wikidata.org.
  24. [19] ↑ . wikidata.org.
  25. [32] ↑ . Mathematics Genealogy Project. wikidata.org.
  26. [33] ↑ . Mathematics Genealogy Project. wikidata.org.
  27. [34] ↑ . Mathematics Genealogy Project. wikidata.org.
  28. [35] ↑ . Mathematics Genealogy Project. wikidata.org.
  29. [36] ↑ . Mathematics Genealogy Project. wikidata.org.
  30. [37] ↑ . Mathematics Genealogy Project. wikidata.org.
  31. [38] ↑ . Mathematics Genealogy Project. wikidata.org.
  32. [39] ↑ . Mathematics Genealogy Project. wikidata.org.
  33. [40] ↑ . Mathematics Genealogy Project. wikidata.org.
  34. [41] ↑ . Mathematics Genealogy Project. wikidata.org.
  35. [42] ↑ . Mathematics Genealogy Project. wikidata.org.
  36. [43] ↑ . Mathematics Genealogy Project. wikidata.org.
  37. [44] ↑ . Mathematics Genealogy Project. wikidata.org.
  38. [45] ↑ . Mathematics Genealogy Project. wikidata.org.
  39. [26] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  40. [27] ↑ . wikidata.org.
  41. [28] ↑ . wikidata.org.
  42. [29] ↑ . ae-info.org. ae-info.org. Provenance: wikidata.org.
  43. [30] ↑ . ams.org. Retrieved . ams.org. Provenance: wikidata.org.
  44. [1] ↑ . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  45. [3] ↑ . yle.fi. Retrieved . yle.fi. Provenance: wikidata.org.
  46. [46] ↑ . Biografiskt lexikon för Finland. wikidata.org.
  47. [47] ↑ . Biografiskt lexikon för Finland. wikidata.org.
  48. [48] ↑ . wikidata.org.
  49. [49] ↑ . wikidata.org.
  50. [50] ↑ . Biografiskt lexikon för Finland. wikidata.org.
  51. [51] ↑ . Biografiskt lexikon för Finland. wikidata.org.
  52. [52] ↑ . Biografiskt lexikon för Finland. wikidata.org.
  53. [53] ↑ . Mathematics Genealogy Project. wikidata.org.
  54. [54] ↑ . Biografiskt lexikon för Finland. wikidata.org.
  55. [55] ↑ . BnF authorities. Retrieved . wikidata.org.
  56. [56] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  57. [57] ↑ . Biografiskt lexikon för Finland. wikidata.org.
  58. [58] ↑ . MacTutor History of Mathematics archive. wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [59] ↑ . wikidata.org. → on this site
  2. [63] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [60] ↑ . Wikidata. wikidata.org. → on this site
  2. [61] ↑ . Wikidata. wikidata.org. → on this site
  3. [62] ↑ . Wikidata. wikidata.org. → on this site
  4. [64] ↑ . Wikidata. wikidata.org. → on this site
  5. [65] ↑ . Wikidata. wikidata.org. → on this site
  6. [66] ↑ . Wikidata. wikidata.org. → on this site
  7. [67] ↑ . Wikidata. wikidata.org. → on this site

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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). Olli Lehto. Retrieved November 12, 2026, from https://4ort.xyz/entity/olli-lehto
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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. 5d ago · Printstream · 2026-11-10 view diff on Wikidata ↗
    "Changed the item: QuickStatements 3.0 batch #65768: add GND as source to unsourced or imported places and occupations"
  2. 9d ago · Printstream · 2026-11-06 view diff on Wikidata ↗
    "Changed the item: QuickStatements 3.0 batch #64217: add GND as source to unsourced or imported statements"
  3. 20d ago · Reinheitsgebot · 2026-10-26 view diff on Wikidata ↗
    Has written for → Gaceta de la Real Sociedad Matemática Española
    "Created claim: Has written for: Gaceta de la Real Sociedad Matemática Española, via https://mix-n-match.toolforge.org/#/entry/329600991 ;"
  4. 20d ago · Gerwoman · 2026-10-26 view diff on Wikidata ↗
    Dialnet author ID → 3106553
    "Created claim: Dialnet author ID: 3106553, Matched to Olli Lehto (#329600991) in autores Gaceta RSME"
  5. 27d ago · Bargioni · 2026-10-19 view diff on Wikidata ↗
    "Changed the item: QuickStatements 3.0 batch #60914: add P1810 to P396"
  6. 5w ago · Epìdosis · 2026-10-07 view diff on Wikidata ↗
    SBN author ID → PUVV129354
    "Created claim: SBN author ID: PUVV129354, batch #289737"
  7. 20w ago · Robertsilen · 2026-06-25 view diff on Wikidata ↗
    Significant event → International Congress of Mathematicians
    "Changed the item: QuickStatements 3.0 batch #38336: historisk händelse P793, från bli.fi, LLM tolkat och verifierat"
  8. 22w ago · Robertsilen · 2026-06-13 view diff on Wikidata ↗
    Student of → Rolf Nevanlinna
    "Changed the item: QuickStatements 3.0 batch #36345"
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