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MATHEMATICIAN

Paul Ehrenfest

1880 - 1933

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Paul Ehrenfest (18 January 1880 – 25 September 1933) was an Austrian theoretical physicist who made major contributions to the field of statistical mechanics and its relations with quantum mechanics, including the theory of phase transition and the Ehrenfest theorem. He befriended Albert Einstein on a visit to Prague in 1912 and became a professor in Leiden, where he frequently hosted Einstein. Read more on Wikipedia

Since 2007, the English Wikipedia page of Paul Ehrenfest has received more than 553,624 page views. His biography is available in 37 different languages on Wikipedia (up from 36 in 2019). Paul Ehrenfest is the 157th most popular mathematician (up from 169th in 2019), the 250th most popular biography from Austria (up from 271st in 2019) and the 3rd most popular Austrian Mathematician.

Paul Ehrenfest is most famous for his work in statistical mechanics. He was the first to introduce the concept of the mean field approximation, which is a method for calculating the behavior of a system of interacting particles.

Memorability Metrics

  • 550k

    Page Views (PV)

  • 61.02

    Historical Popularity Index (HPI)

  • 37

    Languages Editions (L)

  • 6.84

    Effective Languages (L*)

  • 3.08

    Coefficient of Variation (CV)

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Among MATHEMATICIANS

Among mathematicians, Paul Ehrenfest ranks 157 out of 823. Before him are James Gregory, Harald Bohr, Nicomachus, Hermann Grassmann, Zoia Ceaușescu, and Gabriel Lamé. After him are Ernst Zermelo, Hermann of Reichenau, Étienne Bézout, Gösta Mittag-Leffler, Mary Jackson, and Rafael Bombelli.

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Contemporaries

Among people born in 1880, Paul Ehrenfest ranks 33. Before him are Lionel Logue, Sarah Knauss, Vajiravudh, Kuniaki Koiso, Mohammed Alim Khan, and Giuseppe Moscati. After him are Milan Rastislav Štefánik, Andrei Bely, Vojtech Tuka, Álvaro Obregón, Akiba Rubinstein, and Mack Sennett. Among people deceased in 1933, Paul Ehrenfest ranks 18. Before him are Wilhelm Cuno, Nikolai Yudenich, Princess Thyra of Denmark, Oskar Potiorek, Stefan George, and Grand Duke Alexander Mikhailovich of Russia. After him are Erhard Heiden, Anatoly Lunacharsky, Albert Calmette, Knud Rasmussen, Prince Luigi Amedeo, Duke of the Abruzzi, and Archduke Charles Stephen of Austria.

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Others Deceased in 1933

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In Austria

Among people born in Austria, Paul Ehrenfest ranks 250 out of 1,237. Before him are Maria Leopoldine of Austria (1632), Claudia Felicitas of Austria (1653), Ludwig von Bertalanffy (1901), Archduchess Maria Anna of Austria (1610), Franz Xaver Gruber (1787), and Archduke Karl Ferdinand of Austria (1818). After him are Franz Grillparzer (1791), Maria Altmann (1916), William, Duke of Austria (1370), Hermine Braunsteiner (1919), Koloman Moser (1868), and Johann Georg Albrechtsberger (1736).

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Among MATHEMATICIANS In Austria

Among mathematicians born in Austria, Paul Ehrenfest ranks 3. Before him are Kurt Gödel (1906) and Josef Stefan (1835). After him are Georg von Peuerbach (1423), Emil Artin (1898), Hans Hahn (1879), Georg Alexander Pick (1859), Karl Menger (1902), Philipp Frank (1884), Hermann Bondi (1919), Simon von Stampfer (1790), and Otto E. Neugebauer (1899).

Austrian born Mathematicians

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