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MATHEMATICIAN

Lothar Collatz

1910 - 1990

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Lothar Collatz (German: [ˈkɔlaʦ]; July 6, 1910 – September 26, 1990) was a German mathematician, born in Arnsberg, Westphalia. The "3x + 1" problem is also known as the Collatz conjecture, named after him and still unsolved. Read more on Wikipedia

Since 2007, the English Wikipedia page of Lothar Collatz has received more than 117,957 page views. His biography is available in 19 different languages on Wikipedia (up from 17 in 2019). Lothar Collatz is the 452nd most popular mathematician (up from 568th in 2019), the 2,974th most popular biography from Germany (up from 3,294th in 2019) and the 55th most popular German Mathematician.

Memorability Metrics

  • 120k

    Page Views (PV)

  • 51.86

    Historical Popularity Index (HPI)

  • 19

    Languages Editions (L)

  • 4.80

    Effective Languages (L*)

  • 2.03

    Coefficient of Variation (CV)

Page views of Lothar Collatzs by language


Among MATHEMATICIANS

Among mathematicians, Lothar Collatz ranks 452 out of 823. Before him are Georgy Voronoy, 'Abd al-Hamīd ibn Turk, Henryk Zygalski, Johan Jensen, Ion Ghica, and Francesco Maurolico. After him are Enrico Betti, Auguste Kerckhoffs, John Hadley, Friedrich Hirzebruch, Thomas Bradwardine, and Geminus.

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Contemporaries

Among people born in 1910, Lothar Collatz ranks 144. Before him are T-Bone Walker, Kelly Johnson, Friedrich Franz, Hereditary Grand Duke of Mecklenburg-Schwerin, Aleksandar Tirnanić, Armen Takhtajan, and Bernard Voorhoof. After him are Jeanne Hersch, Richard Conte, Qian Zhongshu, Ennio Flaiano, Helene Mayer, and José Lezama Lima. Among people deceased in 1990, Lothar Collatz ranks 119. Before him are Andrei Kirilenko, Hans Freudenthal, Kelly Johnson, James M. Gavin, Grethe Ingmann, and David White. After him are Jorge Bolet, Paul Ariste, Armand Hammer, Dodie Smith, Luís Carlos Prestes, and Juan José Arévalo.

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In Germany

Among people born in Germany, Lothar Collatz ranks 2,974 out of 6,142. Before him are George I, Prince of Waldeck and Pyrmont (1747), Johann Lukas Schönlein (1793), Helmut Griem (1932), Adolph VIII, Count of Holstein (1401), Johannes Nikolaus Tetens (1736), and Princess Elisabeth of Anhalt (1857). After him are Gustav von Wangenheim (1895), William I, Margrave of Meissen (1343), Moritz Wagner (1813), Jurij Brězan (1916), Fritz von Uhde (1848), and Conrad II, Duke of Bavaria (1052).

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Among MATHEMATICIANS In Germany

Among mathematicians born in Germany, Lothar Collatz ranks 55. Before him are Karl Mollweide (1774), Otto Hölder (1859), Hans Freudenthal (1905), Johann Samuel König (1712), Max Dehn (1878), and Henryk Zygalski (1908). After him are Friedrich Hirzebruch (1927), Adam Ries (1492), Johann Friedrich Pfaff (1765), Heinrich Martin Weber (1842), Wilhelm Jordan (1842), and Martin Ohm (1792).

German born Mathematicians

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