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Felix Klein

1849 - 1925

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Christian Felix Klein (German: [klaɪn]; 25 April 1849 – 22 June 1925) was a German mathematician and mathematics educator, known for his work with group theory, complex analysis, non-Euclidean geometry, and on the associations between geometry and group theory. Read more on Wikipedia

Since 2007, the English Wikipedia page of Felix Klein has received more than 393,144 page views. His biography is available in 59 different languages on Wikipedia (up from 57 in 2019). Felix Klein is the 84th most popular mathematician (up from 85th in 2019), the 443rd most popular biography from Germany (down from 409th in 2019) and the 14th most popular German Mathematician.

Felix Klein is most famous for his work in mathematics. He is credited with the invention of the Klein bottle and the Klein quartic.

Memorability Metrics

  • 390k

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  • 66.68

    Historical Popularity Index (HPI)

  • 59

    Languages Editions (L)

  • 10.49

    Effective Languages (L*)

  • 3.18

    Coefficient of Variation (CV)

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Among mathematicians, Felix Klein ranks 84 out of 823Before him are Regiomontanus, Alexander Grothendieck, Ctesibius, Friedrich Bessel, Pappus of Alexandria, and Johann Heinrich Lambert. After him are Bonaventura Cavalieri, Paul Erdős, Adrien-Marie Legendre, Alexander Friedmann, Anthemius of Tralles, and Guillaume de l'Hôpital.

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Among people born in 1849, Felix Klein ranks 8Before him are August Strindberg, Muhammad Abduh, August von Mackensen, Frances Hodgson Burnett, Édouard-Henri Avril, and Bernhard von Bülow. After him are Alfred von Tirpitz, John William Waterhouse, Sergei Witte, Bertha Benz, John Ambrose Fleming, and Eva Gonzalès. Among people deceased in 1925, Felix Klein ranks 11Before him are Gottlob Frege, Alexandra of Denmark, Henri Fayol, William Jennings Bryan, Sergei Yesenin, and Georgy Lvov. After him are Josef Breuer, Mikhail Frunze, Alexander Friedmann, Camille Flammarion, Maria Sophie of Bavaria, and Percy Fawcett.

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In Germany

Among people born in Germany, Felix Klein ranks 443 out of 6,142Before him are Helmuth von Moltke the Younger (1848), Frederick Augustus I of Saxony (1750), Hans Fischer (1881), Frederick III, Elector of Saxony (1463), Walther von Reichenau (1884), and Bernhard von Bülow (1849). After him are F. W. Murnau (1888), Maximilian II Emanuel, Elector of Bavaria (1662), Niklas Luhmann (1927), Jochen Rindt (1942), Wilhelm List (1880), and Josef Kramer (1906).


Among mathematicians born in Germany, Felix Klein ranks 14Before him are August Ferdinand Möbius (1790), Ludolph van Ceulen (1540), Richard Dedekind (1831), Regiomontanus (1436), Alexander Grothendieck (1928), and Friedrich Bessel (1784). After him are Carl Gustav Jacob Jacobi (1804), Christopher Clavius (1538), Hermann Weyl (1885), Ferdinand von Lindemann (1852), Robert Aumann (1930), and Johannes Trithemius (1462).