MATHEMATICIAN

Carl Gustav Axel Harnack

1851 - 1888

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Carl Gustav Axel Harnack (7 May [O.S. 25 April] 1851, Dorpat (now Tartu) – 3 April 1888, Dresden) was a Baltic German mathematician who contributed to potential theory. Harnack's inequality applied to harmonic functions. Read more on Wikipedia

Since 2007, the English Wikipedia page of Carl Gustav Axel Harnack has received more than 25,527 page views. His biography is available in 18 different languages on Wikipedia (up from 17 in 2019). Carl Gustav Axel Harnack is the 828th most popular mathematician (down from 726th in 2019), the 176th most popular biography from Estonia (down from 144th in 2019) and the 2nd most popular Estonian Mathematician.

Memorability Metrics

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    Historical Popularity Index (HPI)

  • 18

    Languages Editions (L)

  • 5.87

    Effective Languages (L*)

  • 2.08

    Coefficient of Variation (CV)

Among MATHEMATICIANS

Among mathematicians, Carl Gustav Axel Harnack ranks 828 out of 1,004. Before him are Ludwig Schläfli, Claire Voisin, Ivan Petrovsky, Heinz Prüfer, Stanislav Smirnov, and Peter Tait. After him are Paul Montel, Garrett Birkhoff, Annie S. D. Maunder, Gregory Chaitin, Curtis T. McMullen, and Nathan Jacobson.

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Contemporaries

Among people born in 1851, Carl Gustav Axel Harnack ranks 96. Before him are Walter Reed, Manuel Curros Enríquez, Eduardo Acevedo Díaz, Herbert Lawford, Juan Gualberto González, and Thomas Pollock Anshutz. After him are Ivan Tavčar, Arthur Schuster, Abraham Berge, Theo de Meester, Leonhard Stejneger, and Berthold Englisch. Among people deceased in 1888, Carl Gustav Axel Harnack ranks 77. Before him are Amos Bronson Alcott, Yuriy Fedkovych, Arsène Darmesteter, Kanō Hōgai, Jan van Beers, and Morrison Waite. After him are Henry James Sumner Maine, Jules d'Anethan, George Bingham, 3rd Earl of Lucan, Richard A. Proctor, and Roscoe Conkling.

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Others Deceased in 1888

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In Estonia

Among people born in Estonia, Carl Gustav Axel Harnack ranks 176 out of 351. Before him are Nikolai Stepulov (1913), Roman Steinberg (1900), Priit Pärn (1946), Artur Lemba (1885), Joann Lõssov (1921), and Hendrik Adamson (1891). After him are Paul-Eerik Rummo (1942), Arnold Luhaäär (1905), Lepo Sumera (1950), Silvi Vrait (1951), August Alle (1890), and Juhan Parts (1966).

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Among MATHEMATICIANS In Estonia

Among mathematicians born in Estonia, Carl Gustav Axel Harnack ranks 2. Before him are Erhard Schmidt (1876). After him are Hellmuth Kneser (1898).

Estonian born Mathematicians

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