Edward I. 1924–2013, U.S. politician: mayor of New York City 1977–89.
[roh-bert] /ˈroʊ bɛrt/ (Show IPA), 1843–1910, German bacteriologist and physician: Nobel Prize 1905.
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Scientific American Supplement, No. 458, October 11, 1884 Various
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Robert (ˈroːbɛrt). 1843–1910, German bacteriologist, who isolated the anthrax bacillus (1876), the tubercle bacillus (1882), and the cholera bacillus (1883): Nobel prize for physiology or medicine 1905
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. Koch won the Nobel Prize for physiology or medicine in 1905.
Our Living Language : Robert Koch is deservedly famous for his discovery of the bacteria that cause tuberculosis and many other diseases, and his illumination of the life cycle of the anthrax bacillus in 1876 showed how a particular microorganism caused a particular disease, definitively establishing the modern germ theory of disease. What Koch is less well-known for is his equally important and pioneering work in laboratory methods, especially in culture techniques and microscopy. Some attempts before Koch had already been made to grow microorganisms outside the body, but it was he who, through ingenious experiments, devised cheap, reliable, and duplicable techniques for growing pure cultures of single species of bacteria in the lab. Except for the lid, he invented the petri dish and a jellylike culture medium for it (the lid was later added by one of his assistants, Julius Petri). For years a passionate amateur photographer, Koch soon applied that interest to his lab work: he devised methods for preparing and culturing bacteria in thin layers on glass slides so that they could be photographed under a microscope. He invented ways of staining bacterial cultures to make poorly visible bacteria stand out under magnification. All of these innovations allowed the life cycles of bacteria to be studied and documented for the first time—an advance that bore its first and perhaps most dramatic fruit in Koch’s demonstration of the life cycle of the anthrax bacillus, which was accompanied by dramatic photographs that took the scientific world by storm.
Robert (Charles) 1889–1945, U.S. humorist, drama critic, and actor. Contemporary Examples David Brooks’s Favorite Books David Brooks March 7, 2011 Historical Examples Endurance Test Alan Douglas Endurance Test Alan Douglas The Outdoor Chums in the Big Woods Quincy Allen The Grain Of Dust David Graham Phillips
Robert, 1892–1957, U.S. illustrator and author, especially of children’s books. of or relating to a style of overstuffed sofa or chair that is boxy in shape, with square back and seat cushions and broad, square or rounded arms that are lower in height than the back: a Lawson sofa. Contemporary Examples Nigella Lawson Tells Court […]
Ann, 1736–84, British mystic: founder of Shaker sect in U.S. Charles, 1731–82, American Revolutionary general, born in England. Doris Emrick [em-rik] /ˈɛm rɪk/ (Show IPA), 1905–1986, U.S. painter. Fitzhugh [fits-hyoo or, often, -yoo,, fits-hyoo or, often, -yoo] /ˈfɪtsˌhyu or, often, -ˌyu,, fɪtsˈhyu or, often, -ˈyu/ (Show IPA), 1835–1905, U.S. general and statesman (grandson of Henry […]
Robert R. 1746–1813, U.S. political figure and jurist. a township in NE New Jersey. Contemporary Examples Death of the Comedian’s Comedian Gregory Gilderman September 29, 2010 Larry Flynt’s X-Rated Plan to Expose Mitt Romney Lauren Ashburn September 10, 2012 Our Tax Code is Too Complicated. Here’s How to Simplify It. Megan McArdle April 14, 2013 […]