Maurice d’Ocagne

French engineer and mathematician (1862–1938)
Person human Q3301546
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Maurice d’Ocagne

Summary

Maurice d’Ocagne is a human[1]. He was born in Paris[2]. He was born on March 25, 1862[3]. He passed away in Le Havre[4]. He died on September 23, 1938[5]. He worked as a mathematician[6], civil engineer[7], essayist[8], engineer[9], and pedagogue[10]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (50 views/month, #7,295 of 1,000,298).[11]

Key Facts

  • Maurice d’Ocagne's place of birth was Paris[2].
  • Maurice d’Ocagne was born in Alençon[12].
  • Maurice d’Ocagne passed away in Le Havre[4].
  • Maurice d’Ocagne was born on March 25, 1862[3].
  • Maurice d’Ocagne was born on March 26, 1862[13].
  • Maurice d’Ocagne died on September 23, 1938[5].
  • Maurice d’Ocagne held citizenship in France[14].
  • Maurice d’Ocagne worked as a mathematician[6].
  • Maurice d’Ocagne's professions included civil engineer[7].
  • Maurice d’Ocagne worked as an essayist[8].
  • Maurice d’Ocagne's professions included engineer[9].
  • Maurice d’Ocagne worked as a pedagogue[10].
  • Maurice d’Ocagne worked as a university teacher[15].
  • Maurice d’Ocagne's field of work was mathematics[16].
  • Maurice d’Ocagne's field of work was geometry[17].
  • Maurice d’Ocagne's field of work was hydraulics[18].
  • Maurice d’Ocagne held the position of inspector general[19].
  • Maurice d’Ocagne held the position of chairperson[20].
  • Maurice d’Ocagne was employed by École Nationale des Ponts et Chaussées[21].
  • Among Maurice d’Ocagne's employers was École polytechnique[22].
  • Among Maurice d’Ocagne's employers was Corps of bridges, waters and forests[23].
  • Among Maurice d’Ocagne's employers was Service géographique de l'armée[24].
  • Among Maurice d’Ocagne's employers was Conseil général des ponts et chaussées[25].
  • Maurice d’Ocagne's education included a stint at École polytechnique[26].
  • Maurice d’Ocagne was educated at Lycée Condorcet[27].

Body

Origins and Family

Recorded place of birth include Paris[2], a commune of France[28], in France[29], founded in -0300[30] and Alençon[12], a commune of France[31], in France[32]. Recorded date of birth include March 25, 1862[3] and March 26, 1862[13].

Education

Educated at École polytechnique[26], a grande école[33], in France[34], founded in 1794[35], headquartered in Palaiseau[36]; Lycée Condorcet[27], an educational facility[37], in France[38], founded in 1803[39]; and Lycée Chaptal[40], an educational institution[41], in France[42], founded in 1965[43].

Career and Affiliations

Recorded occupations include mathematician[6], civil engineer[7], essayist[8], engineer[9], pedagogue[10], and university teacher[15]. Fields of work include mathematics[16], an academic discipline[44]; geometry[17], a branch of mathematics[45]; and hydraulics[18], a scientific knowledge[46]. Employers include École Nationale des Ponts et Chaussées[21], an engineering college[47], in France[48], founded in 1747[49], headquartered in Champs-sur-Marne[50]; École polytechnique[22], a grande école[51], in France[52], founded in 1794[53], headquartered in Palaiseau[54]; Corps of bridges, waters and forests[23], a Grands corps de l'Etat[55], in France[56], founded in 1716[57]; Service géographique de l'armée[24], a government organization[58], in France[59], founded in 1887[60]; and Conseil général des ponts et chaussées[25], an organization[61], in France[62], founded in 1747[63]. Positions held include inspector general[19], a position[64] and chairperson[20], a type of position[65]. Doctoral students include Louis Couffignal[66] and Q140366925[67].

Works and Contributions

Notable works include nomography[68] and Q29121136[69].

Recognition

Awards received include Poncelet Prize[70], an award[71], in France[72], founded in 1868[73]; Leconte Prize[74], a science award[75], founded in 1886[76]; Honorary doctor of the Catholic University of Louvain[77], an award[78], in Belgium[79], founded in 1835[80]; Knight of the Legion of Honour[81], a Q1499804[82], in France[83]; Officer of the Legion of Honour[84]; and Commander of the Legion of Honour[85].

Death and Burial

Maurice d’Ocagne died on September 23, 1938[5]. He passed away in Le Havre[4].

Why It Matters

Maurice d’Ocagne ranks in the top 0.73% of human entities by monthly Wikipedia readership (50 views/month, #7,295 of 1,000,298).[11] He has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[86] He is known by 20 alternative names across languages and contexts.[87]

He is credited with the discovery of nomography[88], a graphic technique[89].

FAQs

Where was Maurice d’Ocagne born?

Maurice d’Ocagne was born in Paris[2].

Where did Maurice d’Ocagne die?

Maurice d’Ocagne passed away in Le Havre[4].

What did Maurice d’Ocagne do for work?

Maurice d’Ocagne worked as mathematician[6], civil engineer[7], essayist[8], engineer[9], and pedagogue[10].

Where did Maurice d’Ocagne go to school?

Maurice d’Ocagne was educated at École polytechnique[26], Lycée Condorcet[27], and Lycée Chaptal[40].

What awards did Maurice d’Ocagne receive?

Honors received include Poncelet Prize[70], Leconte Prize[74], Honorary doctor of the Catholic University of Louvain[77], and Knight of the Legion of Honour[81].

What did Maurice d’Ocagne discover?

Maurice d’Ocagne is credited as discoverer of nomography[88].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [12] ↑ . link.springer.com. link.springer.com. Provenance: wikidata.org.
  3. [4] ↑ . Encyclopédie Larousse. wikidata.org.
  4. [14] ↑ . wikidata.org.
  5. [19] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  6. [20] ↑ . wikidata.org.
  7. [26] ↑ . Comité des Travaux Historiques et Scientifiques. wikidata.org.
  8. [27] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  9. [40] ↑ . MacTutor History of Mathematics archive. 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. [6] ↑ . Integrated Authority File. Retrieved . wikidata.org.
  14. [7] ↑ . wikidata.org.
  15. [8] ↑ . Comité des Travaux Historiques et Scientifiques. wikidata.org.
  16. [9] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  17. [10] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  18. [15] ↑ . Czech National Authority Database. Retrieved . wikidata.org.
  19. [21] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  20. [22] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  21. [23] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  22. [24] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  23. [25] ↑ . MacTutor History of Mathematics archive. theses.hal.science. Provenance: wikidata.org.
  24. [70] ↑ . Hydraulicians in Europe (1800-2000). wikidata.org.
  25. [74] ↑ . MacTutor History of Mathematics archive. wikidata.org.
  26. [77] ↑ . Ciel et terre. wikidata.org.
  27. [81] ↑ . Léonore database. wikidata.org.
  28. [84] ↑ . Léonore database. wikidata.org.
  29. [85] ↑ . Léonore database. wikidata.org.
  30. [66] ↑ . Mathematics Genealogy Project. wikidata.org.
  31. [67] ↑ . Mathematics Genealogy Project. wikidata.org.
  32. [3] ↑ . BnF authorities. Retrieved . wikidata.org.
  33. [13] ↑ . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  34. [5] ↑ . MacTutor History of Mathematics archive. Retrieved . wikidata.org.
  35. [68] ↑ . wikidata.org.
  36. [69] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [88] ↑ . 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. [64] ↑ . Wikidata. wikidata.org. → on this site
  7. [65] ↑ . Wikidata. wikidata.org. → on this site
  8. [33] ↑ . Wikidata. wikidata.org. → on this site
  9. [34] ↑ . Wikidata. wikidata.org. → on this site
  10. [35] ↑ . Wikidata. wikidata.org. → on this site
  11. [36] ↑ . Wikidata. wikidata.org. → on this site
  12. [37] ↑ . Wikidata. wikidata.org. → on this site
  13. [38] ↑ . Wikidata. wikidata.org. → on this site
  14. [39] ↑ . Wikidata. wikidata.org. → on this site
  15. [41] ↑ . Wikidata. wikidata.org. → on this site
  16. [42] ↑ . Wikidata. wikidata.org. → on this site
  17. [43] ↑ . Wikidata. wikidata.org. → on this site
  18. [44] ↑ . Wikidata. wikidata.org. → on this site
  19. [45] ↑ . Wikidata. wikidata.org. → on this site
  20. [46] ↑ . Wikidata. wikidata.org. → on this site
  21. [47] ↑ . Wikidata. wikidata.org. → on this site
  22. [48] ↑ . Wikidata. wikidata.org. → on this site
  23. [49] ↑ . Wikidata. wikidata.org. → on this site
  24. [50] ↑ . Wikidata. wikidata.org. → on this site
  25. [51] ↑ . Wikidata. wikidata.org. → on this site
  26. [52] ↑ . Wikidata. wikidata.org. → on this site
  27. [53] ↑ . Wikidata. wikidata.org. → on this site
  28. [54] ↑ . Wikidata. wikidata.org. → on this site
  29. [55] ↑ . Wikidata. wikidata.org. → on this site
  30. [56] ↑ . Wikidata. wikidata.org. → on this site
  31. [57] ↑ . Wikidata. wikidata.org. → on this site
  32. [58] ↑ . Wikidata. wikidata.org. → on this site
  33. [59] ↑ . Wikidata. wikidata.org. → on this site
  34. [60] ↑ . Wikidata. wikidata.org. → on this site
  35. [61] ↑ . Wikidata. wikidata.org. → on this site
  36. [62] ↑ . Wikidata. wikidata.org. → on this site
  37. [63] ↑ . Wikidata. wikidata.org. → on this site
  38. [71] ↑ . Wikidata. wikidata.org. → on this site
  39. [72] ↑ . Wikidata. wikidata.org. → on this site
  40. [73] ↑ . Wikidata. wikidata.org. → on this site
  41. [75] ↑ . Wikidata. wikidata.org. → on this site
  42. [76] ↑ . Wikidata. wikidata.org. → on this site
  43. [78] ↑ . Wikidata. wikidata.org. → on this site
  44. [79] ↑ . Wikidata. wikidata.org. → on this site
  45. [80] ↑ . Wikidata. wikidata.org. → on this site
  46. [82] ↑ . Wikidata. wikidata.org. → on this site
  47. [83] ↑ . Wikidata. wikidata.org. → on this site
  48. [89] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [11] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [86] ↑ . Wikidata sitelinks. wikidata.org.
  3. [87] ↑ . 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). Maurice d’Ocagne. Retrieved October 8, 2026, from https://4ort.xyz/entity/maurice-d-ocagne
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BibTeX @misc{4ortxyz_maurice-d-ocagne_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Maurice d’Ocagne}}, year = {2026}, url = {https://4ort.xyz/entity/maurice-d-ocagne}, note = {Accessed: 2026-10-08}}
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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 · Epìdosis · 2026-10-08 view diff on Wikidata ↗
    Sbn author id → LO1V171872, RMRV180712
    Isni → 0000000109106571, 0000000368555910
    Claims rich → —
    "/* wbcreateclaim-create:1| */ [[Property:P396]]: RMRV180712, [[:toollabs:quickstatements/#/batch/289737|batch #289737]]"
  2. 5d ago · Epìdosis · 2026-10-04 view diff on Wikidata ↗
    Wikipedia languages → ['arz', 'ca', 'commons', 'de', 'en', 'es', 'fr', 'it', 'ja', 'pt', 'ru', 'sv', '
    Sbn author id → LO1V171872, RMRV180712
    Claims rich → —
    "/* wbremoveclaims-remove:1| */ [[Property:P396]]: LO1V172473"
  3. 18d ago · 本日晴天 · 2026-09-22 view diff on Wikidata ↗
    Cinii research id → 1981149384720911884
    "/* wbeditentity-statements-multiple-properties-update:0||2 */ Added identifiers that match [[Property:P271]] ([[:toollabs:editgroups/b/OR/bd60316f76e|details]])"
  4. 14w ago · Ferran Mir · 2026-06-28 view diff on Wikidata ↗
    Place of birth → Paris, Alençon
    Employer → École Nationale des Ponts et Chaussées, École polytechnique, Corps of bridges, waters and forests +2
    Position held → inspector general, chairperson
    "/* wbsetclaim-update:2||1 */ [[Property:P108]]: [[Q2994056]]"
  5. 14w ago · Ferran Mir · 2026-06-28 view diff on Wikidata ↗
    Notable work → nomography, Q29121136
    Award received → Poncelet Prize, Leconte Prize, Honorary doctor of the Catholic University of Louvain +3
    Employer → École Nationale des Ponts et Chaussées, École polytechnique, Corps of bridges, waters and forests +2
    Occupation → mathematician, civil engineer, essayist +4
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ [[Property:P39]]: [[Q2305417]]"
  6. 14w ago · Ferran Mir · 2026-06-28 view diff on Wikidata ↗
    Doctoral student → Louis Couffignal, Q140366925
    Rero id (legacy) → A003651335
    National library of poland mms id → 9814601038105606
    Nsk (viaf) id → 000721659
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1|1 */ [[Property:P1477]]: Philbert Maurice d’Ocagne"
  7. 15w ago · Ferran Mir · 2026-06-27 view diff on Wikidata ↗
    Viaf cluster id → 66543984, 7987149296253880670001, 7582158631014223370003
    "/* wbsetclaim-create:2||1 */ [[Property:P214]]: 7987149296253880670001"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.