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MacKinnon, Roderick

(Encyclopedia)MacKinnon, Roderick, 1956–, American biochemist, b. Burlington, Mass., M.D. Tufts Univ., 1982. MacKinnon was on the faculty at Harvard Medical School from 1989–96 and has been a professor at the H...

lightning rod

(Encyclopedia)lightning rod, a rod made of materials, especially metals, that are good conductors of electricity, which is mounted on top of a building or other structure and attached to the ground by a cable. By v...

hegemony

(Encyclopedia)hegemony hĭjĕmˈənē, hē–, hĕjˈəmōˌnē, hĕgˈə– [key], [Gr.,=leadership], dominance, originally of one Greek city-state over others, the term has been extended to refer to the dominance...

Hofstadter, Robert

(Encyclopedia)Hofstadter, Robert, 1915–90, American physicist, b. New York City, Ph.D. Princeton, 1938. He taught at Princeton from 1938 to 1950 and also worked at the National Bureau of Standards during World Wa...

Goeppert-Mayer, Maria

(Encyclopedia)Goeppert-Mayer, Maria, 1906–72, German-American nuclear physicist, Ph.D. Univ. of Göttingen, 1930. She was a researcher at Johns Hopkins (1931–39), Columbia (1939–46), Argonne National Laborato...

Golgi, Camillo

(Encyclopedia)Golgi, Camillo kämēlˈlō gôlˈjē [key], 1844–1926, Italian physician, noted as a neurologist and histologist. He shared with Ramón y Cajal the 1906 Nobel Prize in Physiology or Medicine for wo...

Immermann, Karl Leberecht

(Encyclopedia)Immermann, Karl Leberecht kärl lāˈbərekht ĭmˈərmän [key], 1796–1840, German novelist and dramatist. As a Prussian official in Düsseldorf he was active in the local theater, writing and dire...

drainage, in agriculture

(Encyclopedia)drainage, in agriculture, the removal of excess water from the soil, either by a system of surface ditches, or by underground conduits if required by soil conditions and land contour. Diesel or centri...

Cynewulf

(Encyclopedia)Cynewulf kĭnˈəwo͝olfˌ, ko͝onˈ– [key], fl. early 9th cent.?, Old English religious poet of Northumbria or Mercia. Four poems have been ascribed to him on the evidence of his signatures in rune...

Cluny Museum

(Encyclopedia)Cluny Museum, 14th- and 15th-century Gothic and Renaissance structure in Paris, built by Pierre de Chaslus, abbot of Cluny, and rebuilt by Jacques d'Ambroise. The site is that of the ancient Roman bat...