Kalle Väisälä

Finnish mathematician and Esperantist (1893–1968)
Person human Q1399681
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Kalle Väisälä

Summary

Kalle Väisälä is a human[1]. He was born in Kontiolahti[2]. He was born on August 19, 1893[3]. He passed away in Helsinki[4]. He died on September 16, 1968[5]. He worked as a mathematician[6], Esperantist[7], and university teacher[8]. He has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[9]

Key Facts

  • Born in Kontiolahti[2], Kalle Väisälä…
  • Kalle Väisälä died in Helsinki[4].
  • Kalle Väisälä was born on August 19, 1893[3].
  • Kalle Väisälä died on September 16, 1968[5].
  • A child of Kalle Väisälä was Jussi Väisälä[10].
  • Kalle Väisälä held citizenship in Finland[11].
  • Kalle Väisälä's professions included mathematician[6].
  • Kalle Väisälä worked as an Esperantist[7].
  • Kalle Väisälä's professions included university teacher[8].
  • Kalle Väisälä's field of work was mathematics[12].
  • Kalle Väisälä was employed by University of Tartu[13].
  • Among Kalle Väisälä's employers was Aalto University[14].
  • Kalle Väisälä's education included a stint at University of Helsinki[15].
  • Kalle Väisälä's doctoral advisor was Ernst Leonard Lindelöf[16].
  • Kalle Väisälä received the Cross of Liberty, 4th Class[17].
  • Kalle Väisälä received the Commander of the Order of the White Rose of Finland[18].
  • Kalle Väisälä is recorded as male[19].
  • Kalle Väisälä's instance of is recorded as human[20].
  • Kalle Väisälä's family is recorded as Väisälä family[21].
  • Kalle Väisälä supervised Kustaa Aadolf Inkeri as a doctoral student[22].
  • Kalle Väisälä earned the academic degree of Doctor of Sciences[23].
  • Kalle Väisälä's family name is recorded as Väisälä[24].
  • Kalle Väisälä's given name is recorded as Kalle[25].
  • Kalle Väisälä's languages spoken, written or signed is recorded as Esperanto[26].
  • Kalle Väisälä's name in native language is recorded as {'lang': 'fi', 'text': 'Kalle Väisälä'}[27].

Body

Origins and Family

Kalle Väisälä was born in Kontiolahti[2]. He was born on August 19, 1893[3].

Education

Kalle Väisälä was educated at University of Helsinki[15]. His doctoral advisor was Ernst Leonard Lindelöf[16]. He earned the academic degree of Doctor of Sciences[23].

Career and Affiliations

Recorded occupations include mathematician[6], Esperantist[7], and university teacher[8]. Kalle Väisälä's field of work was mathematics[12]. Employers include University of Tartu[13], a public university[28], in Estonia[29], founded in 1918[30], headquartered in Tartu[31] and Aalto University[14], a public university[32], in Finland[33], founded in 2010[34]. He supervised Kustaa Aadolf Inkeri as a doctoral student[22].

Recognition

Awards received include Cross of Liberty, 4th Class[17], a grade of an order[35], in Finland[36], founded in 1918[37] and Commander of the Order of the White Rose of Finland[18], a grade of an order[38], in Finland[39], founded in 1919[40].

Personal Life

A child of Kalle Väisälä was Jussi Väisälä[10].

Death and Burial

Kalle Väisälä died on September 16, 1968[5]. He died in Helsinki[4].

Works and Contributions

Things named for Kalle Väisälä include Väisälä Prize[41], a science award[42], in Finland[43], founded in 2000[44].

Why It Matters

Kalle Väisälä has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[9]

Entities named for him include Väisälä Prize[41], a science award[42], in Finland[43], founded in 2000[44].

His notable doctoral advisees include Kustaa Aadolf Inkeri[45], a mathematician[46], 1908–1997[47], of Finland[48], specialised in mathematics[49].

FAQs

Where was Kalle Väisälä born?

Kalle Väisälä's place of birth was Kontiolahti[2].

Where did Kalle Väisälä die?

Kalle Väisälä passed away in Helsinki[4].

What did Kalle Väisälä do for work?

Kalle Väisälä worked as mathematician[6], Esperantist[7], and university teacher[8].

Where did Kalle Väisälä go to school?

Kalle Väisälä was educated at University of Helsinki[15].

What awards did Kalle Väisälä receive?

Honors received include Cross of Liberty, 4th Class[17] and Commander of the Order of the White Rose of Finland[18].

References

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

Direct Wikidata claims

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

Inverse relationships (entities pointing at this one)

  1. [45] . wikidata.org. → on this site
  2. [41] . 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. [40] . Wikidata. wikidata.org. → on this site
  14. [46] . Wikidata. wikidata.org. → on this site
  15. [47] . Wikidata. wikidata.org. → on this site
  16. [48] . Wikidata. wikidata.org. → on this site
  17. [49] . Wikidata. wikidata.org. → on this site
  18. [42] . Wikidata. wikidata.org. → on this site
  19. [43] . Wikidata. wikidata.org. → on this site
  20. [44] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [9] . Wikidata sitelinks. wikidata.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.

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BibTeX @misc{4ortxyz_kalle-v-is-l_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kalle Väisälä}}, year = {2026}, url = {https://4ort.xyz/entity/kalle-v-is-l}, note = {Accessed: 2026-04-10}}
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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. 19d ago · Epìdosis · 2026-05-18 view diff on Wikidata ↗
    Instance of
    Country of citizenship Finland
    Place of birth Kontiolahti
    Educated at
    + 24 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31721|batch #31721]]: import P21 and P106 from GND (17)"
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