Robert Kochwas a German mircobiologist. He isolated
a number of bacteria species including the Tuberculosis bacillus in 1882.
He was awarded a Nobel Prize for his tuberculosis
findings in 1905.
developed methods for growing bacteria in Petri dishes. He discovered the
bacterium causing Tuberculose (Mycobacterium tuberculosis). At the time
of Koch's studies Tuberculosis was the cause of 1 in 7 deaths.
carried out important work on cholera. In addition, Koch developed four
criteria to establish that an organism is the cause of a disease, whaich are
known as Koch's postulates.