Image:Gerhard Hansen.jpg

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Gerhard Amauer Hansen, Norwegian bacteriologist who discovered the bacillum for leprosy. Since this photograph was likely taken before 1923 as Hansen died in 1912, it is public domain in the United States.

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current17:46, 31 January 2005200×291 (7 KB)Rsabbatini (Talk | contribs) (Gerhard Amauer Hansen, Norwegian bacteriologist who discovered the bacillum for leprosy.)

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