MATHEMATICIAN

Peter Gustav Lejeune Dirichlet

1805 - 1859

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Johann Peter Gustav Lejeune Dirichlet (; German: [ləˈʒœn diʁiˈkleː]; 13 February 1805 – 5 May 1859) was a German mathematician. In number theory, he proved special cases of Fermat's last theorem and created analytic number theory. In analysis, he advanced the theory of Fourier series and was one of the first to give the modern formal definition of a function. Read more on Wikipedia

Since 2007, the English Wikipedia page of Peter Gustav Lejeune Dirichlet has received more than 585,050 page views. His biography is available in 60 different languages on Wikipedia (up from 56 in 2019). Peter Gustav Lejeune Dirichlet is the 35th most popular mathematician (up from 36th in 2019), the 141st most popular biography from Germany (up from 148th in 2019) and the 4th most popular German Mathematician.

Peter Gustav Lejeune Dirichlet was a German mathematician who is most famous for his work in number theory. He is responsible for the first rigorous proof of the Prime Number Theorem, which states that the number of primes less than or equal to a given number is asymptotic to the form n/ln(n).

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Among MATHEMATICIANS

Among mathematicians, Peter Gustav Lejeune Dirichlet ranks 35 out of 1,004Before him are John Napier, François Viète, Diophantus, Gerolamo Cardano, Georg Cantor, and Ada Lovelace. After him are Augustin-Louis Cauchy, Kurt Gödel, Johann Bernoulli, Emmy Noether, Pope Sylvester II, and Gottlob Frege.

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Contemporaries

Among people born in 1805, Peter Gustav Lejeune Dirichlet ranks 5Before him are Hans Christian Andersen, Joseph Smith, Giuseppe Mazzini, and Alexis de Tocqueville. After him are Princess Sophie of Bavaria, Ferdinand de Lesseps, William Rowan Hamilton, Fanny Mendelssohn, Louis Auguste Blanqui, Franz Xaver Winterhalter, and Maria Anna of Bavaria. Among people deceased in 1859, Peter Gustav Lejeune Dirichlet ranks 4Before him are Alexander von Humboldt, Klemens von Metternich, and Alexis de Tocqueville. After him are Oscar I of Sweden, Carl Ritter, John Vianney, Wilhelm Grimm, Josip Jelačić, Ferdinand II of the Two Sicilies, Washington Irving, and Bettina von Arnim.

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In Germany

Among people born in Germany, Peter Gustav Lejeune Dirichlet ranks 141 out of 7,253Before him are Baron Munchausen (1720), Max von Laue (1879), Christian IX of Denmark (1818), Meister Eckhart (1260), Otto Hahn (1879), and Max Müller (1823). After him are Frederick William III of Prussia (1770), Gerd von Rundstedt (1875), Wilhelm von Humboldt (1767), Rudolf Christoph Eucken (1846), Ernst Röhm (1887), and Henry II, Holy Roman Emperor (973).

Among MATHEMATICIANS In Germany

Among mathematicians born in Germany, Peter Gustav Lejeune Dirichlet ranks 4Before him are Carl Friedrich Gauss (1777), Gottfried Wilhelm Leibniz (1646), and Bernhard Riemann (1826). After him are Emmy Noether (1882), Gottlob Frege (1848), Karl Weierstrass (1815), August Ferdinand Möbius (1790), Friedrich Bessel (1784), Ludolph van Ceulen (1540), Richard Dedekind (1831), and Alexander Grothendieck (1928).