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 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 871,671 page views. His biography is available in 85 different languages on Wikipedia (up from 84 in 2019). Joseph-Louis Lagrange is the 27th most popular mathematician (down from 20th in 2019), the 149th most popular biography from Italy (down from 127th 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 27 out of 828Before him are Hero of Alexandria, Diophantus, David Hilbert, François Viète, Évariste Galois, and Henri Poincaré. After him are Pope Sylvester II, John Napier, Niels Henrik Abel, Georg Cantor, Kurt Gödel, and Augustin-Louis Cauchy.

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Among people born in 1736, Joseph-Louis Lagrange ranks 2Before him is James Watt. After him are Charles-Augustin de Coulomb, Rama I, Jean Sylvain Bailly, Claude Nicolas Ledoux, Johann Georg Albrechtsberger, James Macpherson, Rudolf Erich Raspe, Louis Joseph, Prince of Condé, Franz Xaver Messerschmidt, and Princess Friederike of Brandenburg-Schwedt. Among people deceased in 1813, Joseph-Louis Lagrange ranks 1After him are Mikhail Kutuzov, Józef Poniatowski, Jean Victor Marie Moreau, Empress Go-Sakuramachi, Sophia Magdalena of Denmark, André Grétry, Gerhard von Scharnhorst, Jean-Andoche Junot, Christoph Martin Wieland, Jean-Baptiste Bessières, and Tecumseh.

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In Italy

Among people born in Italy, Joseph-Louis Lagrange ranks 149 out of 4,088Before him are Galba (-3), Pope Pius VIII (1761), Luigi Galvani (1737), Boethius (480), Paolo Veronese (1528), and Agatha of Sicily (235). After him are Carlo Collodi (1826), Gaetano Donizetti (1797), Pope Leo XII (1760), Anselm of Canterbury (1033), Pope Gregory IX (1160), and Pope Clement VIII (1536).


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