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Joseph-Louis Lagrange

1736 - 1813

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Joseph-Louis Lagrange (born Giuseppe Luigi Lagrangia or Giuseppe Ludovico De la Grange Tournier; 25 January 1736 – 10 April 1813), also reported as Giuseppe Luigi Lagrange or Lagrangia, was an Italian mathematician, physicist 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. Read more on Wikipedia

Since 2007, the English Wikipedia page of Joseph-Louis Lagrange has received more than 1,100,152 page views. His biography is available in 87 different languages on Wikipedia (up from 85 in 2019). Joseph-Louis Lagrange is the 18th most popular mathematician (up from 27th in 2019), the 108th most popular biography from Italy (up from 149th in 2019) and the 3rd most popular Italian Mathematician.

Lagrange was most famous for his work in mathematics. He is best known for his work on the four-square theorem, which he proved in 1770.

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Among mathematicians, Joseph-Louis Lagrange ranks 18 out of 823Before him are Bernhard Riemann, Pierre de Fermat, Fibonacci, John Forbes Nash Jr., Pierre-Simon Laplace, and John von Neumann. After him are Henri Poincaré, Diophantus, Jean le Rond d'Alembert, Joseph Fourier, Hero of Alexandria, and Luca Pacioli.

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Among people born in 1736, Joseph-Louis Lagrange ranks 3Before him are James Watt and Charles-Augustin de Coulomb. After him are Jean Sylvain Bailly, Rama I, Claude Nicolas Ledoux, James Macpherson, Johann Georg Albrechtsberger, Louis Joseph, Prince of Condé, Rudolf Erich Raspe, Princess Friederike of Brandenburg-Schwedt, and Franz Xaver Messerschmidt. Among people deceased in 1813, Joseph-Louis Lagrange ranks 1After him are Mikhail Kutuzov, Józef Poniatowski, Empress Go-Sakuramachi, Jean Victor Marie Moreau, Jean-Andoche Junot, Jean-Baptiste Bessières, Sophia Magdalena of Denmark, Christoph Martin Wieland, Gerhard von Scharnhorst, Antoine-Augustin Parmentier, and André Grétry.

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In Italy

Among people born in Italy, Joseph-Louis Lagrange ranks 108 out of 4,668Before him are Masaccio (1401), Amedeo Avogadro (1776), Antoninus Pius (86), Antonio Gramsci (1891), Pope Innocent III (1160), and Giuseppe Arcimboldo (1526). After him are Luigi Galvani (1737), Lucrezia Borgia (1480), Silvio Berlusconi (1936), Juan Carlos I of Spain (1938), Cato the Elder (-243), and Francis II, Holy Roman Emperor (1768).


Among mathematicians born in Italy, Joseph-Louis Lagrange ranks 3Before him are Archimedes (-287) and Fibonacci (1170). After him are Luca Pacioli (1445), Gerolamo Cardano (1501), Archytas (-428), Maria Gaetana Agnesi (1718), Philolaus (-470), Niccolò Fontana Tartaglia (1499), Giuseppe Peano (1858), Bonaventura Cavalieri (1598), and Lodovico Ferrari (1522).