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Selznick, David O.

(Encyclopedia)Selznick, David O., 1902–65, American film producer, b. Pittsburgh. He worked for studios in Hollywood before founding Selznick International Pictures in 1936. Selznick's most famous movie is Gone w...

Carson, Rachel Louise

(Encyclopedia)Carson, Rachel Louise, 1907–64, American writer and marine biologist, b. Springdale, Pa., M.A. Johns Hopkins, 1932. Her well-known books on sea life—Under the Sea-Wind (1941), The Sea around Us (1...

erosion

(Encyclopedia)erosion ĭrōˈzhən [key], general term for the processes by which the surface of the earth is constantly being worn away. The principal agents are gravity, running water, near-shore waves, ice (most...

Saffir-Simpson scale

(Encyclopedia)Saffir-Simpson scale săfˈər– [key], standard scale for rating the severity of hurricanes as a measure of the damage they cause; it is based on observations of numerous North Atlantic Basin hurric...

Marston, John Westland

(Encyclopedia)Marston, John Westland, 1819–90, English playwright and critic. Although his poetic dramas, including The Patrician's Daughter (1842) and The Favourite of Fortune (1866), were popular, he is more no...

Arches National Park

(Encyclopedia)Arches National Park, 76,519 acres (30,979 hectares), E Utah; est. as a national monument 1929, designated a national park 1971. Located in red-rock country and overlooking the gorge of the Colorado R...

Hud

(Encyclopedia)Hud ho͞od [key], a pre-Qur'anic prophet of Islam. Hud unsuccessfully exhorted his South Arabian people, the Ad, to worship the One God. The Qur'an mentions that their incredulity was punished by a de...

Douglas, Norman

(Encyclopedia)Douglas, Norman (George Norman Douglas), 1868–1952, British novelist and essayist, b. Scotland. He spent the years from 1894 to 1896 in diplomatic service in Russia but resigned from the foreign ser...

savanna

(Encyclopedia)savanna or savannah both: səvănˈə [key], tropical or subtropical grassland lying on the margin of the trade wind belts. The climate of a savanna is characterized by a rainy period during the summe...

White, Walter Francis

(Encyclopedia)White, Walter Francis, 1893–1955, American civil-rights leader, b. Atlanta, Ga., grad. Atlanta Univ., 1916. From 1931 until his death he was secretary of the National Association for the Advancement...