Nicole Oresme

The Most Reverend
Nicole Oresme
Portrait of Nicole Oresme: Miniature from Oresme's Traité de l'espère, Bibliothèque Nationale, Paris, France, fonds français 565, fol. 1r.
Born(1325-01-01)1 January 1325
Fleury-sur-Orne, Normandy, Kingdom of France
Died11 July 1382(1382-07-11) (aged 57)
Lisieux, Normandy, France
Education
Alma materCollege of Navarre (University of Paris)
Philosophical work
EraMedieval philosophy
RegionWestern philosophy
School
Nominalism
InstitutionsCollege of Navarre (University of Paris)
Main interests
Natural philosophy, astronomy, theology, mathematics
Notable ideas
Rectangular co-ordinates, first proof of the divergence of the harmonic series, mean speed theorem

Nicole Oresme (/ɔːˈrɛm/; French: [nikɔl ɔʁɛm]; 1 January 1325 – 11 July 1382), also known as Nicolas Oresme, Nicholas Oresme, or Nicolas d'Oresme, was a French philosopher of the later Middle Ages. He wrote influential works on economics, mathematics, physics, astrology, astronomy, philosophy, and theology. He was Bishop of Lisieux, a translator, a counselor of King Charles V of France, and one of the most original thinkers of 14th-century Europe.