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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 23,137 page views. His biography is available in 17 different languages on Wikipedia (up from 15 in 2019). Carl Gustav Axel Harnack is the 729th most popular mathematician, the 144th most popular biography from Estonia (up from 145th in 2019) and the 2nd most popular Estonian Mathematician.

Memorability Metrics

  • 23k

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  • 45.61

    Historical Popularity Index (HPI)

  • 17

    Languages Editions (L)

  • 6.11

    Effective Languages (L*)

  • 1.80

    Coefficient of Variation (CV)

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Among MATHEMATICIANS

Among mathematicians, Carl Gustav Axel Harnack ranks 729 out of 823Before him are Pyotr Novikov, Leopold Vietoris, Grigore Moisil, Nikolai Chebotaryov, Tom M. Apostol, and Wendelin Werner. After him are William Henry Young, Leonard Nelson, Yitang Zhang, Vaughan Jones, Marina Ratner, and Laurent Lafforgue.

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Contemporaries

Among people born in 1851, Carl Gustav Axel Harnack ranks 80Before him are Maksim Kovalevsky, Friedrich Sixt von Armin, Guillermo Billinghurst, Walter Reed, Manuel Curros Enríquez, and Karl Moritz Schumann. After him are Nikolaos Kalogeropoulos, Ekaterine Gabashvili, Arthur Schuster, Ivan Tavčar, Rainer Ludwig Claisen, and Eduardo Acevedo Díaz. Among people deceased in 1888, Carl Gustav Axel Harnack ranks 71Before him are Asa Gray, Carl Christian Hall, Francesco Faà di Bruno, Charles Duclerc, Alessandro Antonelli, and Jan van Beers. After him are Arsène Darmesteter, Richard A. Proctor, Morrison Waite, and Roscoe Conkling.

Others Born in 1851

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Others Deceased in 1888

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In Estonia

Among people born in Estonia, Carl Gustav Axel Harnack ranks 144 out of 310Before him are Voldemar Väli (1903), Ilmar Kullam (1922), Ivo Linna (1949), Jaak Panksepp (1943), Knudåge Riisager (1897), and Osvald Käpp (1905). After him are Roman Steinberg (1900), Jaan Talts (1944), Lepo Sumera (1950), Alexander Vostokov (1781), Adalberts Bubenko (1910), and Aavo Pikkuus (1954).

Among MATHEMATICIANS In Estonia

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