Robert Koch , December 11, 1843 – May 27, 1910, was a German physician. He became famous for isolating Bacillus antrhacis in 1877, the Tuberculosis bacillus in 1882, and the Vibrio cholerae  in 1883 and for his development of Koch’s postulates. He was awarded the Nobel Prize in Physiology or Medicine for his tuberculosis findings in 1905. He is considered one of the founders of microbiology.