Lodewijk Woltjer

Dutch astronomer (1930-2019)
Person human Q329211
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Lodewijk Woltjer was born on April 26, 1930, in Noordwijk.[1][2] He held citizenship of the Kingdom of the Netherlands.[1] He worked as an astronomer, university teacher, and anthropologist.[3][1]

Key Facts

  • Father: Jan Woltjer[9]
  • Country of citizenship: Kingdom of the Netherlands[10]
  • Position held: president[11], ESO’s Director General[12]
  • Employer: Columbia University[13], Leiden University[14], European Southern Observatory[15]
  • Educated at: Leiden University[16]
  • Doctoral advisor: Jan Hendrik Oort[17]
  • Award received: Karl Schwarzschild Medal[18], Janssen Medal[19]
  • Member of: French Academy of Sciences[20], Royal Swedish Academy of Sciences[21], American Academy of Arts and Sciences[22], Russian Academy of Sciences[23], Royal Netherlands Academy of Arts and Sciences[24], Academia Europaea[25], Accademia Nazionale dei Lincei[26], International Astronomical Union[27]
  • Sex or gender: male[28]
  • Doctoral student: Edward Ng[29], John D. Trasco[30], Donald Dzamba[31], Mary-Louise West[32], Wai-Yin Chau[33], John Landstreet[34]
  • Commons category: Lodewijk Woltjer[35]
  • Family name: Woltjer[36]
  • Given name: Lodewijk[37]
  • Languages spoken, written or signed: English[38], Dutch[39]
  • Maintained by WikiProject: WikiProject Mathematics[40]

Why It Matters

Lodewijk Woltjer has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[41] He is known by 11 alternative names across languages and contexts.[42]

FAQs

Where was Lodewijk Woltjer born?

Lodewijk Woltjer was born in Noordwijk[2].

Where did Lodewijk Woltjer die?

Lodewijk Woltjer passed away in Geneva[4].

Who were Lodewijk Woltjer's parents?

Lodewijk Woltjer's father was Jan Woltjer[9].

What did Lodewijk Woltjer do for work?

Lodewijk Woltjer worked as an astronomer[5], university teacher[6], and anthropologist[7].

Where did Lodewijk Woltjer go to school?

Lodewijk Woltjer was educated at Leiden University[16].

What awards did Lodewijk Woltjer receive?

Honors received include Karl Schwarzschild Medal[18] and Janssen Medal[19].

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. [28] ↑ . BnF authorities. Retrieved . wikidata.org.
  4. [9] ↑ . wikidata.org.
  5. [10] ↑ . Leidse Hoogleraren. Retrieved . wikidata.org.
  6. [11] ↑ . Q107215080. wikidata.org.
  7. [12] ↑ . wikidata.org.
  8. [16] ↑ . wikidata.org.
  9. [5] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  10. [6] ↑ . Leidse Hoogleraren. Retrieved . wikidata.org.
  11. [7] ↑ . Retrieved . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [18] ↑ . astronomische-gesellschaft.de. astronomische-gesellschaft.de. Provenance: wikidata.org.
  16. [19] ↑ . wikidata.org.
  17. [17] ↑ . Mathematics Genealogy Project. Retrieved . genealogy.ams.org. Provenance: wikidata.org.
  18. [29] ↑ . Mathematics Genealogy Project. wikidata.org.
  19. [30] ↑ . Mathematics Genealogy Project. wikidata.org.
  20. [31] ↑ . Mathematics Genealogy Project. wikidata.org.
  21. [32] ↑ . Mathematics Genealogy Project. wikidata.org.
  22. [33] ↑ . Mathematics Genealogy Project. wikidata.org.
  23. [34] ↑ . Mathematics Genealogy Project. wikidata.org.
  24. [35] ↑ . wikidata.org.
  25. [20] ↑ . wikidata.org.
  26. [21] ↑ . wikidata.org.
  27. [22] ↑ . wikidata.org.
  28. [23] ↑ . wikidata.org.
  29. [24] ↑ . wikidata.org.
  30. [25] ↑ . www.ae-info.org. wikidata.org.
  31. [26] ↑ . Retrieved . wikidata.org.
  32. [27] ↑ . wikidata.org.
  33. [1] ↑ . Leidse Hoogleraren. Retrieved . wikidata.org.
  34. [3] ↑ . BnF authorities. eso.org. Provenance: wikidata.org.
  35. [36] ↑ . Leidse Hoogleraren. Retrieved . wikidata.org.
  36. [37] ↑ . Leidse Hoogleraren. Retrieved . wikidata.org.
  37. [38] ↑ . BnF authorities. Retrieved . wikidata.org.
  38. [39] ↑ . wikidata.org.
  39. [40] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [8] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [41] ↑ . Wikidata sitelinks. wikidata.org.
  3. [42] ↑ . Wikidata aliases. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Lodewijk Woltjer. Retrieved October 18, 2026, from https://4ort.xyz/entity/lodewijk-woltjer
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BibTeX @misc{4ortxyz_lodewijk-woltjer_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lodewijk Woltjer}}, year = {2026}, url = {https://4ort.xyz/entity/lodewijk-woltjer}, note = {Accessed: 2026-10-18}}
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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. 2d ago · KrBot bot · 2026-10-18 view diff on Wikidata ↗
    Member of → French Academy of Sciences, Royal Swedish Academy of Sciences, American Academy of Arts and Sciences +5
    Wikipedia languages → ['arz', 'ca', 'commons', 'de', 'en', 'fr', 'it', 'lmo', 'nl', 'pt', 'simple', 's
    Claims rich → —
    "/* wbcreateclaim-create:1| */ Member of: International Astronomical Union, according to item-requires-statement constraint constraint from P14528"
  2. 11w ago · Epìdosis · 2026-08-04 view diff on Wikidata ↗
    Accademia nazionale dei lincei id → 2463-woltjer-lodewijk
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/45365|batch #45365]]: Update P14091 IDs"
  3. 18w ago · Pigsonthewing · 2026-06-14 view diff on Wikidata ↗
    P14528 → 28016
    "/* wbcreateclaim-create:1| */ P14528: 28016, [[:toollabs:quickstatements/#/batch/259666|batch #259666]]"
  4. 21w ago · Epìdosis · 2026-05-20 view diff on Wikidata ↗
    Educated at → Leiden University
    Place of birth → Noordwijk
    Sbn author id → MILV040782
    Languages spoken, written or signed → English, Dutch
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32084|batch #32084]]: import P21 and P106 from GND (26)"
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