Paul Otlet

Belgian author, librarian and anti-colonial thinker (1868–1944)
Person human Q1868
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Summary

Paul Otlet was born on August 23, 1868[1], in Brussels[2]. He died on December 10, 1944[3], in Brussels[4]. He worked as a writer[5], lawyer[6], librarian[7], information scientist[8], and inventor[9]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (906 views/month, #7,262 of 1,000,298).[10]

Key Facts

  • Place of burial: Etterbeek Cemetery[11]
  • Father: Edouard Otlet[12]
  • Country of citizenship: Belgium[13]
  • Native language: French[14]
  • Occupation: bibliographer[15], jurist[16], Esperantist[17]
  • Field of work: bibliography[18], computer science[19], classification scheme[20], information science[21]
  • Educated at: Free University of Brussels[22], Catholic University of Leuven[23], Collège Saint-Michel[24]
  • Notable work: Mundaneum[25], Universal Decimal Classification[26]
  • Member of: peace movement[27]
  • Influenced by: Henri La Fontaine[28], Edmond Picard[29], Melvil Dewey[30]
  • Sex or gender: male[31]
  • Commons category: Paul Otlet[32]
  • Archives at: Mundaneum[33]
  • Residence: Hôtel Otlet[34]
  • Family name: Otlet[35]
  • Given name: Paul[36], Marie[37], Ghislain[38]
  • Work location: Brussels[39]
  • Languages spoken, written or signed: French[40], Esperanto[41]
  • Commons Creator page: Paul Otlet[42]
  • Birth name: Paul Marie Ghislain Otlet[43]
  • Name in native language: Paul Otlet[44]
  • Short name: Paul Otlet[45]

Body

Works and Contributions

Things named for Paul Otlet include Hôtel Otlet[46], a private mansion[47], in Belgium[48], founded in 1894[49] and Otlet Glacier[50], a glacier[51].

Why It Matters

Paul Otlet has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[52] He is known by 19 alternative names across languages and contexts.[53]

He has been cited as an influence by Douglas Engelbart[54], an inventor[55], 1925–2013[56], of United States[57], awarded the ACM Software System Award[58], specialised in informatics[59].

He is credited with the discovery of Universal Decimal Classification[60], a universal classification scheme[61], founded in 1895[62]. Works attributed to him include Traité de Documentation[63], a literary work[64]. Entities named for him include Hôtel Otlet[46], a private mansion[47], in Belgium[48], founded in 1894[49] and Otlet Glacier[50], a glacier[51].

FAQs

Where was Paul Otlet born?

Paul Otlet was born in Brussels[2].

Where did Paul Otlet die?

Paul Otlet passed away in Brussels[4].

Who were Paul Otlet's parents?

Paul Otlet's father was Edouard Otlet[12].

What did Paul Otlet do for work?

Paul Otlet worked as a writer[5], lawyer[6], librarian[7], information scientist[8], and inventor[9].

Where did Paul Otlet go to school?

Paul Otlet was educated at Free University of Brussels[22], Catholic University of Leuven[23], and Collège Saint-Michel[24].

Who did Paul Otlet influence?

Paul Otlet has been cited as an influence by Douglas Engelbart[54].

What did Paul Otlet discover?

Paul Otlet is credited as discoverer of Universal Decimal Classification[60].

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] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  3. [31] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  4. [12] ↑ . wikidata.org.
  5. [13] ↑ . RKDartists. Retrieved . wikidata.org.
  6. [22] ↑ . Retrieved . wikidata.org.
  7. [23] ↑ . Retrieved . wikidata.org.
  8. [24] ↑ . wikidata.org.
  9. [18] ↑ . wikidata.org.
  10. [19] ↑ . wikidata.org.
  11. [20] ↑ . wikidata.org.
  12. [21] ↑ . Retrieved . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [5] ↑ . wikidata.org.
  15. [6] ↑ . Union List of Artist Names. Retrieved . wikidata.org.
  16. [7] ↑ . wikidata.org.
  17. [8] ↑ . wikidata.org.
  18. [9] ↑ . wikidata.org.
  19. [15] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  20. [16] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  21. [17] ↑ . wikidata.org.
  22. [11] ↑ . wikidata.org.
  23. [32] ↑ . wikidata.org.
  24. [27] ↑ . Retrieved . wikidata.org.
  25. [33] ↑ . archives.mundaneum.org. Retrieved . archives.mundaneum.org. Provenance: wikidata.org.
  26. [34] ↑ . wikidata.org.
  27. [1] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  28. [3] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  29. [35] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  30. [36] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  31. [37] ↑ . RKDartists. Retrieved . wikidata.org.
  32. [38] ↑ . RKDartists. Retrieved . wikidata.org.
  33. [28] ↑ . wikidata.org.
  34. [29] ↑ . Retrieved . wikidata.org.
  35. [30] ↑ . Retrieved . wikidata.org.
  36. [25] ↑ . wikidata.org.
  37. [26] ↑ . wikidata.org.
  38. [39] ↑ . RKDartists. Retrieved . wikidata.org.
  39. [40] ↑ . BnF authorities. Retrieved . wikidata.org.
  40. [41] ↑ . wikidata.org.
  41. [42] ↑ . wikidata.org.
  42. [43] ↑ . MAK. Retrieved . wikidata.org.
  43. [44] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  44. [45] ↑ . Integrated Authority File. Retrieved . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [54] ↑ . wikidata.org. → on this site
  2. [60] ↑ . wikidata.org. → on this site
  3. [63] ↑ . wikidata.org. → on this site
  4. [46] ↑ . wikidata.org. → on this site
  5. [50] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [55] ↑ . Wikidata. wikidata.org. → on this site
  2. [56] ↑ . Wikidata. wikidata.org. → on this site
  3. [57] ↑ . Wikidata. wikidata.org. → on this site
  4. [58] ↑ . Wikidata. wikidata.org. → on this site
  5. [59] ↑ . Wikidata. wikidata.org. → on this site
  6. [61] ↑ . Wikidata. wikidata.org. → on this site
  7. [62] ↑ . Wikidata. wikidata.org. → on this site
  8. [64] ↑ . Wikidata. wikidata.org. → on this site
  9. [47] ↑ . Wikidata. wikidata.org. → on this site
  10. [48] ↑ . Wikidata. wikidata.org. → on this site
  11. [49] ↑ . Wikidata. wikidata.org. → on this site
  12. [51] ↑ . Wikidata. wikidata.org. → on this site

Aggregate / graph-position facts

  1. [10] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [52] ↑ . Wikidata sitelinks. wikidata.org.
  3. [53] ↑ . Wikidata aliases. 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.

APA 4ort.xyz Knowledge Graph. (2026). Paul Otlet. Retrieved October 18, 2026, from https://4ort.xyz/entity/paul-otlet
MLA “Paul Otlet.” 4ort.xyz Knowledge Graph, 4ort.xyz, 18 Oct. 2026, https://4ort.xyz/entity/paul-otlet.
BibTeX @misc{4ortxyz_paul-otlet_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Paul Otlet}}, year = {2026}, url = {https://4ort.xyz/entity/paul-otlet}, 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. 19h ago · C960657 · 2026-10-18 view diff on Wikidata ↗
    Lex id → Paul_Otlet
    Claims rich → —
    "/* wbsetclaim-create:2||1 */ Lex id: Paul_Otlet"
  2. 14w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → EalsH
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  3. 15w ago · Printstream · 2026-07-01 view diff on Wikidata ↗
    P14585 → 102347
    "/* wbcreateclaim-create:1| */ P14585: 102347, #quickstatements; #temporary_batch_1782930557898"
  4. 16w ago · Printstream · 2026-06-25 view diff on Wikidata ↗
    P14536 → 367468
    "/* wbcreateclaim-create:1| */ P14536: 367468, #quickstatements; #temporary_batch_1782398664614"
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