Oronce Fine

Oronce Fine (1494–1555) was a French mathematician, cartographer, and instrument maker who taught mathematics at the Collège Royal in Paris.

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Map projection: A systematic method for representing Earth’s curved surface on a flat map. Fine’s world maps depended on translating spherical geography onto paper.
Heart-shaped map projection: A family of world-map projections with a heart-like outline, associated with Renaissance cartography. Fine’s 1531 world map is a celebrated early example of this outline.
Francis I of France: King of France from 1515 to 1547, known for patronage of arts and learning. His founding of the Collège Royal created the institution where Fine taught.
Mercator projection: A cylindrical map projection that preserves local angles and represents constant compass bearings as straight lines. Unlike Fine’s heart-shaped world map, it became especially useful for maritime navigation.
Ptolemy’s Geography: A second-century work that organized geographic knowledge through coordinates and methods for mapping the known world. Its coordinates and mapping tradition shaped Renaissance cartography, including Fine’s.
Fine’s 1531 world map: A world map published by Oronce Fine in 1531, depicting the continents in a double-cordiform projection. It shows how Fine combined geographic sources with an unusual projection.
Collège Royal: A French royal institution founded in 1530 to provide instruction in subjects not adequately taught at the University of Paris. Fine held the mathematics chair there, teaching outside the university’s traditional curriculum.
Ptolemaic geography: The geographic tradition based on Ptolemy’s account of coordinates, regions, and mapmaking. Fine inherited this framework while working amid new geographic information and revised world maps.
Renaissance astronomy: The study of celestial motions and their mathematical description in Europe from the fourteenth through sixteenth centuries. Astronomical calculation informed the mathematical instruction Fine taught.
Celestial globe: A spherical model of the sky marked with stars and celestial coordinates. Fine produced mathematical instruments and representations of the heavens.