- Koch, Robert 1843-1910. German bacteriologist whom found the cholera bacillus in addition to microbial cause of anthrax. He won a 1905 Nobel reward for developing tuberculin.
- A language of Meghalaya (India), Assam, Tripura, Manipur, western Bengal, Bihar, and Bangladesh.
- German bacteriologist which isolated the anthrax bacillus therefore the tubercle bacillus therefore the cholera bacillus (1843-1910)