Gerhard Armauer Hansen

1841 - 1912

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Gerhard Henrik Armauer Hansen (Norwegian pronunciation: [ˈɡæ̂rhɑɖ ɑrˈmæ̀ʉər ˈhɑ̂nsn̩]; 29 July 1841 – 12 February 1912) was a Norwegian physician, remembered for his identification of the bacterium Mycobacterium leprae in 1873 as the causative agent of leprosy. Read more on Wikipedia

Since 2007, the English Wikipedia page of Gerhard Armauer Hansen has received more than 190,256 page views. His biography is available in 39 different languages on Wikipedia (up from 38 in 2019). Gerhard Armauer Hansen is the 179th most popular physician (down from 109th in 2019), the 65th most popular biography from Norway (down from 39th in 2019) and the most popular Norwegian Physician.

Gerhard Armauer Hansen is most famous for his discovery of the bacteria that causes leprosy.

Memorability Metrics

  • 190k

    Page Views (PV)

  • 60.25

    Historical Popularity Index (HPI)

  • 39

    Languages Editions (L)

  • 7.24

    Effective Languages (L*)

  • 3.24

    Coefficient of Variation (CV)


Among physicians, Gerhard Armauer Hansen ranks 179 out of 726Before him are Kitasato Shibasaburō, Mehriban Aliyeva, Michael Stuart Brown, Dominique Jean Larrey, Joseph Murray, and Alexander Bogdanov. After him are Magnus Hirschfeld, Bernardo Houssay, Alan Hodgkin, August von Wassermann, Hans Sloane, and Werner Haase.

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Among people born in 1841, Gerhard Armauer Hansen ranks 22Before him are Armand Fallières, Emmanuel Chabrier, Armand Guillaumin, Louis Le Prince, Clément Ader, and Ahmed ‘Urabi. After him are Ferdinand Buisson, Victor D'Hondt, Prince Alfonso, Count of Caserta, Hermann Carl Vogel, Annie Chapman, and Eliza Orzeszkowa. Among people deceased in 1912, Gerhard Armauer Hansen ranks 30Before him are Nogi Maresuke, Osborne Reynolds, Princess Marie of Hohenzollern-Sigmaringen, Bolesław Prus, John Jacob Astor IV, and Paul-Émile Lecoq de Boisbaudran. After him are Isidor Straus, Henry Tingle Wilde, Georg Heym, Mykola Lysenko, Ion Luca Caragiale, and Nicholas of Japan.

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In Norway

Among people born in Norway, Gerhard Armauer Hansen ranks 65 out of 1,039Before him are Princess Ragnhild, Mrs. Lorentzen (1930), Harald Greycloak (935), Arne Garborg (1851), Alexander Kielland (1849), Christian Krohg (1852), and Johan Christian Dahl (1788). After him are Eric II of Norway (1268), Magnus IV of Norway (1115), Finn E. Kydland (1943), Peter Christen Asbjørnsen (1812), Frits Thaulow (1847), and Gunnbjörn Ulfsson (910).

Among PHYSICIANS In Norway

Among physicians born in Norway, Gerhard Armauer Hansen ranks 1After him are May-Britt Moser (1963), Harald Natvig (1872), and Daniel Cornelius Danielssen (1815).