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Joseph Lagrange

Joseph-Louis Lagrange
Lagrange portrait.jpg
Joseph-Louis (Giuseppe Luigi),
comte de Lagrange
Born Giuseppe Lodovico Lagrangia
(1736-01-25)25 January 1736
Turin, Piedmont-Sardinia
Died 10 April 1813(1813-04-10) (aged 77)
Paris, France
Residence Piedmont
France
Prussia
Citizenship Piedmont-Sardinia
French Empire
Fields Mathematics
Mathematical physics
Institutions École Normale
École Polytechnique
Alma mater University of Turin
Academic advisors Leonhard Euler
Giovanni Battista Beccaria
Notable students Joseph Fourier
Giovanni Plana
Siméon Poisson
Known for (see list)
Analytical mechanics
Celestial mechanics
Mathematical analysis
Number theory
Pisano period

Joseph-Louis Lagrange (/ləˈɡrɑːn/ or /ləˈɡrn/;French: [laˈgrɑ̃ʒ]), born Giuseppe Lodovico Lagrangia or Giuseppe Ludovico De la Grange Tournier (also reported as Giuseppe Luigi Lagrange or Lagrangia) (25 January 1736 – 10 April 1813), was an Italian Enlightenment Era mathematician and astronomer. He made significant contributions to the fields of analysis, number theory, and both classical and celestial mechanics.

In 1766, on the recommendation of Euler and d'Alembert, Lagrange succeeded Euler as the director of mathematics at the Prussian Academy of Sciences in Berlin, Prussia, where he stayed for over twenty years, producing volumes of work and winning several prizes of the French Academy of Sciences. Lagrange's treatise on analytical mechanics (Mécanique analytique, 4. ed., 2 vols. Paris: Gauthier-Villars et fils, 1788–89), written in Berlin and first published in 1788, offered the most comprehensive treatment of classical mechanics since Newton and formed a basis for the development of mathematical physics in the nineteenth century.


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