Willebrord Snellius

Dutch astronomer and mathematician
Person human Q244152
Willebrord Snellius
Rijksmuseum · Public Domain · Wikimedia
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Summary

Willebrord Snellius was born on June 13, 1580[1], in Leiden[2]. He died on October 30, 1626[3], in Leiden[4]. He worked as an astronomer[5], mathematician[6], physicist[7], and university teacher[8]. He ranks in the top 0.72% of human entities by monthly Wikipedia readership (1,040 views/month, #7,194 of 1,000,298).[9]

Key Facts

  • Date of birth: 1580[10], June 23, 1580[11]
  • Place of burial: Pieterskerk[12]
  • Father: Rudolph Snellius[13]
  • Country of citizenship: Kingdom of the Netherlands[14]
  • Field of work: mathematics[15], physics[16], astronomy[17]
  • Employer: Leiden University[18]
  • Educated at: Leiden University[19]
  • Doctoral advisor: Ludolph van Ceulen[20], Rudolph Snellius[21]
  • Notable work: Snell's law[22], Snell's window[23]
  • Sex or gender: male[24]
  • Doctoral student: Jacobus Golius[25]
  • Commons category: Willebrord Snellius[26]
  • Family name: Snellius[27]
  • Given name: Willebrordus[28]
  • Topic's main category: Category:Willebrord Snellius[29]
  • Described by source: Brockhaus and Efron Encyclopedic Dictionary[30], Allgemeine Deutsche Biographie[31], BEIC Digital Library[32], Encyclopædia Britannica 11th edition[33], Physicists: Biographical Dictionary[34], Complete Dictionary of Scientific Biography[35]
  • Languages spoken, written or signed: Latin[36]
  • Commons Creator page: Willebrord Snellius[37]
  • Birth name: Willebrord Snel van Rayen[38]
  • Name in native language: Willebrord Snel van Royen[39]

Body

Works and Contributions

Things named for Willebrord Snellius include Snell's law[40]; Snell's window[41], a physical phenomenon[42]; HNLMS Snellius[43], a motor ship[44]; and Snellius[45], an impact crater[46].

Why It Matters

Willebrord Snellius has Wikipedia articles in 26 language editions, a strong signal of global cultural recognition.[47] He is known by 88 alternative names across languages and contexts.[48]

Entities named for him include Snell's law[40]; Snell's window[41], a physical phenomenon[42]; HNLMS Snellius[43], a motor ship[44]; and Snellius[45], an impact crater[46].

His notable doctoral advisees include Jacobus Golius[49], a mathematician[50], 1596–1667[51], of Dutch Republic[52], specialised in oriental studies[53].

FAQs

Where was Willebrord Snellius born?

Willebrord Snellius's place of birth was Leiden[2].

Where did Willebrord Snellius die?

Willebrord Snellius died in Leiden[4].

Who were Willebrord Snellius's parents?

Willebrord Snellius's father was Rudolph Snellius[13].

What did Willebrord Snellius do for work?

Willebrord Snellius worked as an astronomer[5], mathematician[6], physicist[7], and university teacher[8].

Where did Willebrord Snellius go to school?

Willebrord Snellius was educated at Leiden University[19].

References

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

Direct Wikidata claims

  1. [2] ↑ . Great Norwegian Encyclopedia. Retrieved . wikidata.org.
  2. [4] ↑ . Great Norwegian Encyclopedia. Retrieved . wikidata.org.
  3. [24] ↑ . BnF authorities. Retrieved . wikidata.org.
  4. [13] ↑ . wikidata.org.
  5. [14] ↑ . wikidata.org.
  6. [19] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  7. [15] ↑ . wikidata.org.
  8. [16] ↑ . wikidata.org.
  9. [17] ↑ . wikidata.org.
  10. [5] ↑ . wikidata.org.
  11. [6] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  12. [7] ↑ . wikidata.org.
  13. [8] ↑ . Leidse Hoogleraren. Retrieved . wikidata.org.
  14. [18] ↑ . wikidata.org.
  15. [12] ↑ . Find a Grave. wikidata.org.
  16. [20] ↑ . wikidata.org.
  17. [21] ↑ . Mathematics Genealogy Project. Retrieved . wikidata.org.
  18. [25] ↑ . Mathematics Genealogy Project. Retrieved . wikidata.org.
  19. [26] ↑ . wikidata.org.
  20. [1] ↑ . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  21. [10] ↑ . Leidse Hoogleraren. Retrieved . wikidata.org.
  22. [11] ↑ . FINA Wiki. Retrieved . wikidata.org.
  23. [3] ↑ . BnF authorities. Retrieved . wikidata.org.
  24. [27] ↑ . wikidata.org.
  25. [28] ↑ . Leidse Hoogleraren. Retrieved . wikidata.org.
  26. [22] ↑ . wikidata.org.
  27. [23] ↑ . wikidata.org.
  28. [29] ↑ . wikidata.org.
  29. [30] ↑ . wikidata.org.
  30. [31] ↑ . wikidata.org.
  31. [32] ↑ . digitale.beic.it. digitale.beic.it. Provenance: wikidata.org.
  32. [33] ↑ . wikidata.org.
  33. [34] ↑ . wikidata.org.
  34. [35] ↑ . Encyclopedia.com. wikidata.org.
  35. [36] ↑ . BnF authorities. Retrieved . wikidata.org.
  36. [37] ↑ . wikidata.org.
  37. [38] ↑ . wikidata.org.
  38. [39] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [49] ↑ . wikidata.org. → on this site
  2. [40] ↑ . wikidata.org. → on this site
  3. [41] ↑ . wikidata.org. → on this site
  4. [43] ↑ . wikidata.org. → on this site
  5. [45] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [50] ↑ . Wikidata. wikidata.org. → on this site
  2. [51] ↑ . Wikidata. wikidata.org. → on this site
  3. [52] ↑ . Wikidata. wikidata.org. → on this site
  4. [53] ↑ . Wikidata. wikidata.org. → on this site
  5. [42] ↑ . Wikidata. wikidata.org. → on this site
  6. [44] ↑ . Wikidata. wikidata.org. → on this site
  7. [46] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [9] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [47] ↑ . Wikidata sitelinks. wikidata.org.
  3. [48] ↑ . Wikidata aliases. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Willebrord Snellius. Retrieved October 18, 2026, from https://4ort.xyz/entity/willebrord-snellius
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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. 6h ago · OKA bot bot · 2026-10-18 view diff on Wikidata ↗
    Claims rich → —
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  2. 3d ago · AntiDerangedKhanTengriAction · 2026-10-15 view diff on Wikidata ↗
    Wikipedia languages → ['af', 'ar', 'az', 'azb', 'bg', 'ca', 'cs', 'da', 'de', 'el', 'en', 'eo', 'es',
    Open library id → OL4814418A, OL1840412A
    Sitelink count → 48
    Claims rich → —
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  3. 15w ago · Printstream · 2026-07-04 view diff on Wikidata ↗
    P14608 → 118797794
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  4. 15w ago · Printstream · 2026-07-01 view diff on Wikidata ↗
    P14585 → 87521
    "/* wbcreateclaim-create:1| */ P14585: 87521, #quickstatements; #temporary_batch_1782930557898"
  5. 19w ago · Sj1mor · 2026-06-06 view diff on Wikidata ↗
    Plaque image → Plaquete huis Willebrord Snellius.jpg
    "/* wbsetclaim-create:2||1 */ Plaque image: Plaquete huis Willebrord Snellius.jpg"
  6. 22w ago · Epìdosis · 2026-05-12 view diff on Wikidata ↗
    On focus list of wikimedia project → WikiProject PCC Wikidata Pilot/Smithsonian Libraries Dibner Library portraits
    Notable work → Snell's law, Snell's window
    Educated at → Leiden University
    Given name → Willebrordus
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30848|batch #30848]]: match CERL IDs on the basis of GND (5)"
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