Engraved portrait of Philippe de La Hire .
Philippe de La Hire was a mathematician, astronomer and French painter. He was a pupil of Girard Desargues, who was a friend of his father, and who introduced him to the projective geometry. De La hire is remembered for his work on geometry and mechanics.
Who-is-Who in MMS, History of machines, history of mechanical engineering, machine design, descriptive geometry, history of drawing, theory, teacher, treatizer.