Giuseppe Lodovico Lagrange (abt. 1736 - abt. 1813)

Born about 25 Jan 1736 in Torino, Regno di Sardegna

Died about 10 Apr 1813 at about age 77 in Paris, Seine, France

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Biography

Joseph-Louis Lagrange is Notable.

Joseph was born about 1736. He passed away about 1813. He was an Italian mathematician and astronomer, later naturalized French. He made significant contributions to the fields of analysis, number theory, and both classical and celestial mechanics.

In 1766, on the recommendation of Swiss Leonhard Euler and French 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.

Lagrange was one of the creators of the calculus of variations, deriving the Euler–Lagrange equations for extrema of functionals. He extended the method to include possible constraints, arriving at the method of Lagrange multipliers. Lagrange invented the method of solving differential equations known as variation of parameters, applied differential calculus to the theory of probabilities and worked on solutions for algebraic equations.

In 1813 he was buried in Crypt II (Caveau II) of the Panthéon in Paris.^[1]

Sources

1. ↑ Liste des personnes transférées au Panthéon de Paris, Wikipédia français

• Wikipedia: Joseph-Louis Lagrange
• Wikidata: Item Q80222, en:Wikipedia
• https://mathshistory.st-andrews.ac.uk/Biographies/Lagrange/
• https://www.findagrave.com/memorial/21609/joseph-louis-lagrange
• Archives de Paris; Paris, France; Etat Civil 1792-1902