Example image of eyePlorer eyePlorer map for 'Joseph Louis Lagrange': 1736 1813 April 10 Astronomer Celestial mechanics Classical mechanics France Italy January 25 Mathematical analysis Mathematician Number theory Prussia Berlin French Academy of Sciences Jean le Rond d'Alembert Leonhard Euler Prussian Academy of Sciences Analytical mechanics Isaac Newton French Revolution École Polytechnique Count Légion d'honneur Napoleon I of France Panthéon, Paris Calculus of variations Euler–Lagrange equation Lagrange multipliers Algebraic equation Differential calculus Differential equation Method of variation of parameters Probability theory Lagrange's four-square theorem Group theory Évariste Galois Calculus Lagrange polynomial Taylor series Lagrangian point Three-body problem Lagrangian mechanics Turin Kingdom of Sardinia Edmond Halley Tautochrone curve Pierre Louis Maupertuis Brook Taylor Vibrating string