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KOCH, ROBERT (1843–1910)

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Originally appearing in Volume V15, Page 885 of the 1911 Encyclopedia Britannica.
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KOCH, See also:ROBERT (1843–1910) , See also:German bacteriologist, was See also:born at Klausthal, See also:Hanover, on the rith of See also:December 1843. He studied See also:medicine at See also:Gottingen, and it was while he was practising as a physician at Wollstein that he began those bacteriological researches that made his name famous. In 1876 he obtained a pure culture of the bacillus of See also:anthrax, announcing a method of preventive inoculation against that disease seven years later. He became a member of the Sanitary See also:Commission at See also:Berlin and a See also:professor at the School of Medicine in 188o, and five years later he was appointed to a See also:chair in Berlin University and director of the See also:Institute of See also:Health. In 1882, largely as the result of•the improved methods of bacteriological investigation he was able to elaborate, he discovered the bacillus of See also:tuberculosis; and in the following See also:year, having been sent on an See also:official See also:mission to See also:Egypt and See also:India to study the See also:aetiology of See also:Asiatic See also:cholera, he identified the See also:comma bacillus as the specific organism of that malady. In 1890 See also:great hopes were aroused by the announcement that in tuberculin he had prepared an See also:agent which exercised an inimical See also:influence on the growth of the tubercle bacillus, but the expectations that were formed of it as a remedy for See also:consumption were not fulfilled, though it came into considerable See also:vogue as a means of diagnosing the existence of tuberculosis in animals intended for See also:food. At the See also:Congress on Tuberculosis held in See also:London in 1901 he maintained that tuberculosis in See also:man and in See also:cattle is not the same disease, the See also:practical inference being that the danger to men of infection from See also:milk and See also:meat is less than from other human subjects suffering from the disease. This statement, however, was not regarded as properly proved, and one of its results was the See also:appointment of a See also:British Royal Commission to study the question. Dr Koch also investigated the nature of ri.Tderpest in See also:South See also:Africa in 1896, and found means of combating the disease. In 1897 he went to Bombay at the See also:head of a commission formed to investigate the bubonic See also:plague, and he subsequently undertook extensive travels in pursuit of his studies on the origin and treatment of See also:malaria. He was summoned to South Africa a second See also:time in 1903 to give See also:expert See also:advice on other cattle diseases, and on his return was elected a member of the Berlin See also:Academy of Sciences. In 1906–1907 he spent eighteen months in See also:East Africa, investigating sleeping-sickness.

He died at See also:

Baden-Baden of See also:heart-disease on the 28th of May 1910. Koch was undoubtedly one of the greatest bacteriologists ever known, and a great benefactor of humanity by his discoveries. Honours were showered upon him, and in 1905 he was awarded the See also:Nobel See also:prize for medicine. Among his See also:works may be mentioned: Weitere Mitteilungen fiber ein Heilmittel gegen Tuberkulose (See also:Leipzig, 1891); and Reiseberichte fiber Kinder pest, Bubonen pest in Indien and Africa, Tsetse- See also:oder Surra-Krankheit, Texasfieber, tropische Malaria, Schwarzwasserfieber (Berlin, 1898). From 1886 onwards he edited, with Dr Karl Flugge, the Zeitschrift See also:fur See also:Hygiene and Infektionskrankheiten (published at Leipzig). See Loeffler, " Robert Koch, zum 6oten Geburtstage " in Deut. Medizin. Wochenschr. (No. 50, 1903).

End of Article: KOCH, ROBERT (1843–1910)

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