German physician, famous for the discovery of the tubercle bacillus (1882) and the cholera bacillus (1883). Born December 11, 1843 at Clausthal, Germany; died May 27, 1910. Studied medicine under Jacob Henle at the University of Göttingen. Served in the Franco-Prussian War. District medical officer in Wollstein. Did distinguished research work and writing on bacteriology and traumatic diseases of infection, particularly anthrax, cholera, and tuberculosis. Discovered the tuberculosis germ, proved its infectious nature, and discovered a cure for the disease. Exponent of inoculation against anthrax. Development of Koch's postulates. Awarded the Nobel Prize in Physiology or Medicine in 1905. Considered one of the founders of bacteriology.