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  1. 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.

  2. Gerhard Armauer Hansen (29 July 1841 – 12 February 1912) was a Norwegian physician known for his discovery of Mycobacterium leprae, the bacterium that causes leprosy (sometimes called Hansen’s bacillus). Hansen was born in Bergen, Norway, and studied medicine at the University of Christiana (now University of Oslo), graduating with honours ...

  3. Gerhard-Henrik Armauer Hansen, a Norwegian scientist, discovered Mycobacterium leprae as the causative organism for leprosy, defying the hereditary affliction theory of the disease. He was born in Bergen, Norway in 1841 in a Danish family. After acquiring his medical degree in 1866 from the University of Oslo, he joined as an assistant ...

    • Sangita Ghosh, Soumik Chaudhuri
    • 10.4103/0019-5154.156310
    • 2015
    • May-Jun 2015
  4. Gerhard Henrik Armauer Hansen (1841–1912) was a Norwegian physician, who dedicated his whole life to research on leprosy. He was born on 29 July 1841 in Bergen as the eighth of fifteen children of a businessman Claus Hansen.

    • Andrzej Grzybowski, Guido Kluxen, Klaudia Pótorak
    • 2014
  5. In 1873, Norwegian physician Gerhard Armauer Hansen (1841-1912) [below]discovered rod-shaped bodies — Mycobacterium leprae — in leprous nodules. Initially unable to stain these bodies, he only tentatively suggested that they resembled bacteria, which led to a later priority dispute with Albert Neisser (1855-1916) when Neisser was able to stain the organisms and then claimed priority for ...

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    • Gerhard Armauer Hansen5
  6. The curious doctor who changed the world. 2023 will be the 150th anniversary since Gerhard Armauer Hansen discovered the bacteria that causes leprosy. What the young doctor observed through his microscope, was a scientific breakthrough that helped transform how we view disease and infection. In the 1800s, leprosy became an increasing problem in ...

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  8. Gerhard Armauer Hansen (1841-1912) is the most famous Norwegian doctor through time. His discovery of the leprosy bacillus in 1873 was not only a breakthrough in leprosy work, it was also the first case where it was proved that a microorganism could cause chronic disease in humans.

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