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Blaise Pascal

France 1623 – 1662

Comments: Math; Geometry; the scientific method; invented mechanical calculator; projective geometry ; probability theory; Catholicism/ Jansenism; Pascal's theorem states that if a hexagon is inscribed in a circle (or conic) then the three intersection points of opposite sides lie on a line (called the Pascal line).; Theory of hydrodynamics and hydrostatics centered on the principles of hydraulic fluids. His inventions include the hydraulic press and syringe; a programming language is named in his honor;

Teachers: Evangelista Torricelli; Girard Desargues; although he may have never seen it, his calculator idea was first discovered by Wilhelm Schickard‎; Joseph de Voysin, author of Disputatio Cabalisticae, 1635; Ramon Martin, author of Pugio Fidei aka Sword of Faith;

Students: Truthseeker aka Richard C****;

Friends: Pierre de Fermat; Pierre Hérigone of the "Master Memory" system of Mnemonics

Enemies: Aristotle;


Author: Lettres provinciales ; the Pensées; "Mystic Hexagram", Essai pour les coniques ("Essay on Conics"); De l'Esprit géométrique ("Of the Geometrical Spirit"); De l'Art de persuader ("On the Art of Persuasion");

Resources: ; or listen in English at ;