Philippe de La Hire

Philippe de La Hire was a French astronomer, mathematician, professor, and architect. Born in Paris in 1640, he was the son of Laurent de La Hyre. He studied under Honoré Fabri and worked at the Collège de France, the Paris Observatory, and PSL University. He was a member of the French Academy of Sciences and the Académie Royale d'Architecture.

La Hire died in Paris in 1718. His written works, produced between 1660 and 1718, include Traité de mécanique, Les elemens des sections coniques, Gnomonicks, La construction des équations analytiques, and Sectiones conicæ in novem libros distributæ. He spoke and wrote in French and Latin.