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Koch(kôk, kôKH), Robert 1843-1910.
German bacteriologist who identified the tubercle and cholera bacilli and the bacterial cause of anthrax. He won a 1905 Nobel Prize for developing tuberculin, which he originally hoped would cure tuberculosis.
Koch(kôk), Robert 1843-1910.
German bacteriologist who demonstrated that specific diseases are caused by specific microorganisms. He identified the bacilli that cause anthrax, tuberculosis, and cholera, and he showed that fleas and rats are responsible for transmission of the bubonic plague and that the tsetse fly is responsible for transmitting sleeping sickness.