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International Geophysical Year

(Encyclopedia)International Geophysical Year (IGY), 18-month period from July, 1957, through Dec., 1958, during a period of maximum sunspot activity, designated for cooperative study of the solar-terrestrial enviro...

Levelers

(Encyclopedia)Levelers or Levellers, English Puritan sect active at the time of the English civil war. The name was apparently applied to them in 1647, in derision of their beliefs in equality. The leader of the mo...

Morris, Robert, 1734–1806, American merchant

(Encyclopedia)Morris, Robert, 1734–1806, American merchant, known as the “financier of the American Revolution,” and signer of the Declaration of Independence, b. Liverpool, England. Morris emigrated to Ameri...

idealism

(Encyclopedia)idealism, the attitude that places special value on ideas and ideals as products of the mind, in comparison with the world as perceived through the senses. In art idealism is the tendency to represent...

Frank, Anne

(Encyclopedia)Frank, Anne, 1929–45, German diarist, b. Frankfurt as Anneliese Marie Frank. In order to escape Nazi persecution, her family emigrated (1933) to Amsterdam, where her father Otto became a business ow...

Isherwood, Christopher

(Encyclopedia)Isherwood, Christopher ishˈərwo͝od [key], 1904–86, British-American author. After the appearance of his first novel, All the Conspirators (1928), Isherwood went to Germany. The four years he spen...

Louise, Lake

(Encyclopedia)Louise, Lake, 11⁄2 mi (2.4 km) long, alt. 5,680 ft (1,731 m), SW Alta., Canada, in the Rocky Mts., in Banff National Park. Noted for its scenic beauty, it is surrounded by high peaks, glaciers, and ...

Kluane National Park

(Encyclopedia)Kluane National Park klo͞oānˈ [key], c.8,500 sq mi (22,000 sq km), SW Yukon, Canada, between Kluane Lake and the British Columbia and Alaska borders; est. 1972. Located in the St. Elias Mts., the p...

Tarija

(Encyclopedia)Tarija tärēˈhä [key], city (1992 pop. 90,113), alt. 6,421 ft (1,957 m), capital of Tarija dept., S Bolivia. It was founded in 1574. Tarija lies in a fertile valley in the eastern watershed of the ...

field, in algebra

(Encyclopedia)field, in algebra, set of elements (usually numbers) that may be combined under the operations of addition and multiplication so that it constitutes an additive group, the nonzero elements form a mult...