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 Leonhard 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 many 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 1,366,289 page views. His biography is available in 88 different languages on Wikipedia (up from 87 in 2019). Joseph-Louis Lagrange is the 25th most popular mathematician (down from 18th in 2019), the 152nd most popular biography from Italy (down from 107th in 2019) and the 4th 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 25 out of 1,004Before him are Henri Poincaré, Joseph Fourier, Hero of Alexandria, Jean le Rond d'Alembert, Luca Pacioli, and John von Neumann. After him are John Forbes Nash Jr., Évariste Galois, Apollonius of Perga, John Napier, François Viète, and Diophantus.

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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 Rama I, Jean Sylvain Bailly, James Macpherson, Claude Nicolas Ledoux, Johann Georg Albrechtsberger, Rudolf Erich Raspe, Louis Joseph, Prince of Condé, 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, Jean Victor Marie Moreau, Empress Go-Sakuramachi, André Grétry, Gerhard von Scharnhorst, Sophia Magdalena of Denmark, Christoph Martin Wieland, Antoine-Augustin Parmentier, Tecumseh, and Rose Bertin.

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In Italy

Among people born in Italy, Joseph-Louis Lagrange ranks 152 out of 5,161Before him are Plautus (-254), Luigi Galvani (1737), Pope Clement VIII (1536), Marcello Mastroianni (1924), Victor Emmanuel III of Italy (1869), and Andrea Mantegna (1431). After him are Pope Pius VI (1717), Leon Battista Alberti (1404), Cato the Elder (-243), Galba (-3), Pope Leo XI (1535), and Anselm of Canterbury (1033).


Among mathematicians born in Italy, Joseph-Louis Lagrange ranks 4Before him are Archimedes (-287), Fibonacci (1170), and Luca Pacioli (1445). After him are Gerolamo Cardano (1501), Niccolò Fontana Tartaglia (1499), Maria Gaetana Agnesi (1718), Archytas (-428), Philolaus (-470), Giuseppe Peano (1858), Bonaventura Cavalieri (1598), and Lodovico Ferrari (1522).