Leprosy, also known as Hansen's disease,[1] is an infectious disease caused by Hansen's bacillus (the Mycobacterium leprae bacterium). Leprosy can eventually cause a variety of skin problems, loss of feeling, and paralysis of the hands and feet.[2] Gerhard Henrick Armauer Hansen (July 29, 1841 - February 12, 1912) Although leprosy had been known to affect people for centuries, Gerhard Hansen, a Norwegian physician is widely recognized as the person who first identified the bacterium...