Joseph Rémi Léopold Delbœuf

Belgian mathematician (1831-1896)
Person human Q3184830
Joseph Rémi Léopold Delbœuf
M. Barras · Public Domain · Wikimedia
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Joseph Rémi Léopold Delbœuf

Summary

Joseph Rémi Léopold Delbœuf is a human[1]. His place of birth was Liège[2]. He was born on October 1, 1831[3]. He died in Bonn[4]. He died on August 13, 1896[5]. He worked as a psychologist[6], mathematician[7], and philosopher[8]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (18 views/month, #7,299 of 1,000,298).[9]

Key Facts

  • Joseph Rémi Léopold Delbœuf's place of birth was Liège[2].
  • Joseph Rémi Léopold Delbœuf passed away in Bonn[4].
  • Joseph Rémi Léopold Delbœuf was born on October 1, 1831[3].
  • Joseph Rémi Léopold Delbœuf was born on 1831[10].
  • Joseph Rémi Léopold Delbœuf died on August 13, 1896[5].
  • Joseph Rémi Léopold Delbœuf died on 1896[11].
  • Joseph Rémi Léopold Delbœuf is buried at Robermont Cemetery[12].
  • Joseph Rémi Léopold Delbœuf held citizenship in Belgium[13].
  • French was Joseph Rémi Léopold Delbœuf's native language[14].
  • Joseph Rémi Léopold Delbœuf's professions included psychologist[6].
  • Joseph Rémi Léopold Delbœuf's professions included mathematician[7].
  • Joseph Rémi Léopold Delbœuf's professions included philosopher[8].
  • Among Joseph Rémi Léopold Delbœuf's employers was Ghent University[15].
  • Joseph Rémi Léopold Delbœuf was employed by University of Liège[16].
  • Joseph Rémi Léopold Delbœuf is recorded as male[17].
  • Joseph Rémi Léopold Delbœuf's instance of is recorded as human[18].
  • Joseph Rémi Léopold Delbœuf's Commons category is recorded as Joseph Delboeuf[19].
  • Joseph Rémi Léopold Delbœuf's given name is recorded as Joseph[20].
  • Joseph Rémi Léopold Delbœuf's partner in business or sport is recorded as François Folie[21].
  • Joseph Rémi Léopold Delbœuf's described by source is recorded as Svensk uppslagsbok[22].
  • Joseph Rémi Léopold Delbœuf's described by source is recorded as Brockhaus and Efron Encyclopedic Dictionary[23].
  • Joseph Rémi Léopold Delbœuf's described by source is recorded as Meyers Konversations-Lexikon, 4th edition (1885–1890)[24].
  • Joseph Rémi Léopold Delbœuf's described by source is recorded as New International Encyclopedia[25].
  • Joseph Rémi Léopold Delbœuf's languages spoken, written or signed is recorded as French[26].
  • Joseph Rémi Léopold Delbœuf's contributed to creative work is recorded as Popular Science[27].

Body

Origins and Family

Joseph Rémi Léopold Delbœuf was born in Liège[2]. Recorded date of birth include October 1, 1831[3] and 1831[10]. French was his native language[14].

Career and Affiliations

Recorded occupations include psychologist[6], mathematician[7], and philosopher[8]. Employers include Ghent University[15], a public university[28], in Belgium[29], founded in 1817[30], headquartered in Ghent[31] and University of Liège[16], a public university[32], in Belgium[33], founded in 1817[34].

Death and Burial

Recorded date of death include August 13, 1896[5] and 1896[11]. Joseph Rémi Léopold Delbœuf passed away in Bonn[4]. He is buried at Robermont Cemetery[12].

Works and Contributions

Things named for Joseph Rémi Léopold Delbœuf include Delboeuf illusion[35], an optical illusion[36].

Why It Matters

Joseph Rémi Léopold Delbœuf ranks in the top 0.73% of human entities by monthly Wikipedia readership (18 views/month, #7,299 of 1,000,298).[9] He has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[37] He is known by 14 alternative names across languages and contexts.[38]

Entities named for him include Delboeuf illusion[35], an optical illusion[36].

FAQs

Where was Joseph Rémi Léopold Delbœuf born?

Joseph Rémi Léopold Delbœuf was born in Liège[2].

Where did Joseph Rémi Léopold Delbœuf die?

Joseph Rémi Léopold Delbœuf died in Bonn[4].

What did Joseph Rémi Léopold Delbœuf do for work?

Joseph Rémi Léopold Delbœuf worked as psychologist[6], mathematician[7], and philosopher[8].

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. [17] . BnF authorities. Retrieved . wikidata.org.
  4. [13] . wikidata.org.
  5. [18] . BnF authorities. Retrieved . wikidata.org.
  6. [14] . wikidata.org.
  7. [6] . wikidata.org.
  8. [7] . wikidata.org.
  9. [8] . Retrieved . wikidata.org.
  10. [15] . wikidata.org.
  11. [16] . wikidata.org.
  12. [12] . wikidata.org.
  13. [19] . wikidata.org.
  14. [3] . Integrated Authority File. Retrieved . wikidata.org.
  15. [10] . UGentMemorialis. Retrieved . wikidata.org.
  16. [5] . Integrated Authority File. Retrieved . wikidata.org.
  17. [11] . UGentMemorialis. Retrieved . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . BnF authorities. Retrieved . wikidata.org.
  25. [27] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [35] . 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. [36] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [9] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [37] . Wikidata sitelinks. wikidata.org.
  3. [38] . Wikidata aliases. wikidata.org.

📑 Cite this page

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). Joseph Rémi Léopold Delbœuf. Retrieved April 10, 2026, from https://4ort.xyz/entity/joseph-r-mi-l-opold-delb-uf
MLA “Joseph Rémi Léopold Delbœuf.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/joseph-r-mi-l-opold-delb-uf.
BibTeX @misc{4ortxyz_joseph-r-mi-l-opold-delb-uf_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Joseph Rémi Léopold Delbœuf}}, year = {2026}, url = {https://4ort.xyz/entity/joseph-r-mi-l-opold-delb-uf}, 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. 5w ago · Pigsonthewing · 2026-05-23 view diff on Wikidata ↗
    P14397 1283
    "/* wbsetclaim-create:1||1 */ [[Property:P14397]]: 1283, Matched to [[:toollabs:mix-n-match/#/entry/290069083|Joseph Remi Léopold (Joseph) Delboeuf (#290069083)]] in [[:toollabs:mix-n-match/#/catalog/7"
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