Alexander Ollongren

Dutch scientist
Person human Q15917430
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Alexander Ollongren

Summary

Alexander Ollongren is a human[1]. His place of birth was Sumatra[2]. He was born on November 9, 1928[3]. He passed away in Oegstgeest[4]. He died on March 25, 2025[5]. He worked as a computer scientist[6], astronomer[7], university teacher[8], and mathematician[9]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (31 views/month, #7,289 of 1,000,298).[10]

Key Facts

  • Alexander Ollongren's place of birth was Sumatra[2].
  • Alexander Ollongren died in Oegstgeest[4].
  • Alexander Ollongren was born on November 9, 1928[3].
  • Alexander Ollongren died on March 25, 2025[5].
  • Among Alexander Ollongren's spouses was Gunvor Ulla Marie Ollongren-Lundgren[11].
  • A child of Alexander Ollongren was Kajsa Ollongren[12].
  • Alexander Ollongren held citizenship in Kingdom of the Netherlands[13].
  • English was Alexander Ollongren's native language[14].
  • Alexander Ollongren's professions included computer scientist[6].
  • Alexander Ollongren worked as an astronomer[7].
  • Alexander Ollongren worked as a university teacher[8].
  • Alexander Ollongren's professions included mathematician[9].
  • Alexander Ollongren's field of work was mathematics[15].
  • Alexander Ollongren's field of work was informatics[16].
  • Alexander Ollongren's field of work was astronomy[17].
  • Alexander Ollongren's field of work was celestial mechanics[18].
  • Alexander Ollongren's field of work was formal language[19].
  • Alexander Ollongren's field of work was computer science[20].
  • Alexander Ollongren was employed by Leiden University[21].
  • Among Alexander Ollongren's employers was Leiden University[22].
  • Alexander Ollongren's education included a stint at Leiden University[23].
  • Alexander Ollongren's doctoral advisor was Hendrik C. van de Hulst[24].
  • Alexander Ollongren is recorded as male[25].
  • Alexander Ollongren's instance of is recorded as human[26].
  • Alexander Ollongren supervised Theo P. van der Weide as a doctoral student[27].

Body

Origins and Family

Alexander Ollongren's place of birth was Sumatra[2]. He was born on November 9, 1928[3]. English was his native language[14].

Education

Alexander Ollongren's education included a stint at Leiden University[23]. His doctoral advisor was Hendrik C. van de Hulst[24].

Career and Affiliations

Recorded occupations include computer scientist[6], astronomer[7], university teacher[8], and mathematician[9]. Fields of work include mathematics[15], an academic discipline[28]; informatics[16], an academic major[29], founded in 1957[30]; astronomy[17], a branch of science[31]; celestial mechanics[18], a branch of mechanics[32]; formal language[19], a linguistic term[33]; and computer science[20], an academic discipline[34]. Employers include Leiden University[21], a university[35], in Netherlands[36], founded in 1575[37], headquartered in Leiden[38]. Doctoral students include Theo P. van der Weide[27], b. 1950[39], awarded the Officer of the Order of Orange-Nassau[40]; Johan Zuidweg[41]; Hendrik Dick van Dorp[42]; Johanna Maria Annetta Sassen[43], b. 1963[44]; and Gertjan Kamsteeg[45].

Personal Life

Among Alexander Ollongren's spouses was Gunvor Ulla Marie Ollongren-Lundgren[11]. A child of him was Kajsa Ollongren[12].

Death and Burial

Alexander Ollongren died on March 25, 2025[5]. He died in Oegstgeest[4].

Why It Matters

Alexander Ollongren ranks in the top 0.73% of human entities by monthly Wikipedia readership (31 views/month, #7,289 of 1,000,298).[10] He is known by 12 alternative names across languages and contexts.[46]

FAQs

Where was Alexander Ollongren born?

Alexander Ollongren's place of birth was Sumatra[2].

Where did Alexander Ollongren die?

Alexander Ollongren passed away in Oegstgeest[4].

Who was Alexander Ollongren married to?

Alexander Ollongren's spouses include Gunvor Ulla Marie Ollongren-Lundgren[11].

What did Alexander Ollongren do for work?

Alexander Ollongren worked as computer scientist[6], astronomer[7], university teacher[8], and mathematician[9].

Where did Alexander Ollongren go to school?

Alexander Ollongren was educated at Leiden University[23].

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. [25] . Leidse Hoogleraren. Retrieved . wikidata.org.
  4. [11] . wikidata.org.
  5. [13] . wikidata.org.
  6. [26] . wikidata.org.
  7. [12] . wikidata.org.
  8. [23] . Mathematics Genealogy Project. wikidata.org.
  9. [15] . Czech National Authority Database. Retrieved . wikidata.org.
  10. [16] . Czech National Authority Database. Retrieved . wikidata.org.
  11. [17] . Czech National Authority Database. Retrieved . wikidata.org.
  12. [18] . Czech National Authority Database. Retrieved . wikidata.org.
  13. [19] . Czech National Authority Database. Retrieved . wikidata.org.
  14. [20] . Czech National Authority Database. Retrieved . wikidata.org.
  15. [14] . wikidata.org.
  16. [6] . wikidata.org.
  17. [7] . wikidata.org.
  18. [8] . Leidse Hoogleraren. Retrieved . wikidata.org.
  19. [9] . Czech National Authority Database. Retrieved . wikidata.org.
  20. [21] . Leidse Hoogleraren. Retrieved . wikidata.org.
  21. [22] . Leidse Hoogleraren. Retrieved . wikidata.org.
  22. [24] . Mathematics Genealogy Project. Retrieved . genealogy.ams.org. Provenance: wikidata.org.
  23. [27] . Mathematics Genealogy Project. wikidata.org.
  24. [41] . Mathematics Genealogy Project. wikidata.org.
  25. [42] . Mathematics Genealogy Project. wikidata.org.
  26. [43] . Mathematics Genealogy Project. wikidata.org.
  27. [45] . Mathematics Genealogy Project. wikidata.org.
  28. [3] . Leidse Hoogleraren. Retrieved . wikidata.org.
  29. [5] . 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. [44] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [10] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [46] . Wikidata aliases. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Alexander Ollongren. Retrieved March 9, 2026, from https://4ort.xyz/entity/alexander-ollongren
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BibTeX @misc{4ortxyz_alexander-ollongren_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Alexander Ollongren}}, year = {2026}, url = {https://4ort.xyz/entity/alexander-ollongren}, note = {Accessed: 2026-03-09}}
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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. 15d ago · Epìdosis · 2026-05-19 view diff on Wikidata ↗
    Doctoral student
    Library of congress authority id
    Viaf id
    Sex or gender male
    + 113 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/31725|batch #31725]]: import P21 and P106 from GND (19)"
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