Category:Maurice d'Ocagne

**Maurice d’Ocagne**
	French engineer and mathematician
	Upload media
	Wikipedia
Name in native language	Philbert Maurice d’Ocagne;
Date of birth	25 March 1862, 26 March 1862; Paris; Philbert Maurice d’Ocagne
Date of death	23 September 1938; Le Havre
Pseudonym	Philbert du Plessis; Pierre Delix;
Country of citizenship	France;
Educated at	École polytechnique; Lycée Condorcet; Lycée Chaptal;
Doctoral student	Louis Couffignal (1938);
Occupation	mathematician; civil engineer; essayist; engineer; pedagogue;
Employer	École des Ponts ParisTech (1893–1901); École polytechnique (1912–1920);
Member of	Ligue de la Patrie Française‏ (1898–1900); French Academy of Sciences (1922–); American Academy of Arts and Sciences (honorary member, 1925–); Société Mathématique de France;
Position held	engineer of the French Corps of Bridges and Roads (1885–); vice director (General levelling of France, 1890–1901);
Field of work	mathematics; geometry; hydraulics;
Relative	Frédéric-Désiré Hillemacher (father-in-law);
Notable work	nomography;
Award received	Poncelet Prize (1902); Leconte Prize (1892); honorary doctor of the Catholic University of Louvain; Knight of the Legion of Honour (1894); Officer of the Legion of Honour (1917); Commander of the Legion of Honour (1931); officier de l’Instruction publique;
Authority file
	Q3301546; ISNI: 0000000368555910, 0000000109106571; VIAF ID: 66543984; GND ID: 117079464; Library of Congress authority ID: n85376497; Bibliothèque nationale de France ID: 12365159b; IdRef ID: 032665245; Léonore ID: 19800035/80/9972; NL CR AUT ID: mub2016932728; SELIBR ID: 298901; Nationale Thesaurus voor Auteursnamen ID: 148581870; NUKAT ID: n2005082217; Libris-URI: tr58dfgc2m6sp0p; National Library of Israel J9U ID: 987007278061505171; FranceArchives agent ID: 291922566; Open Library ID: OL148473A; Mathematics Genealogy Project ID: 292976
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

Philbert Maurice d'Ocagne (25 March 1862 – 23 September 1938) was a French engineer and mathematician. He founded the field of nomography, the graphic computation of algebraic equations, on charts which he called nomogram.