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Clement VI, pope

(Encyclopedia)Clement VI, 1291–1352, pope (1342–52), a Frenchman named Pierre Roger; successor of Benedict XII. His court was at Avignon. He had been archbishop of Sens, archbishop of Rouen, and cardinal (1338)...

asthenosphere

(Encyclopedia)asthenosphere ăsthēnˈəsfēr [key], region in the upper mantle of the earth's interior, characterized by low-density, semiplastic (or partially molten) rock material chemically similar to the overl...

Le Guin, Ursula Kroeber

(Encyclopedia)Le Guin, Ursula Kroeber krōˈbər lə gwĭnˈ [key], 1929–2018, American writer, b. Berkeley, Calif.; daughter of anthropologist Alfred Louis Kroeber. Possessing a keen eye for physical and cultura...

Branson, Sir Richard

(Encyclopedia)Branson, Sir Richard (Richard Charles Nicholas Branson), 1950–, British business mogul and adventurer. He left school at 16 to start his first business, the magazine Student. In 1970 he began a mail...

Blaue Reiter, der

(Encyclopedia)Blaue Reiter, der dĕr blouˈə rīˈtər [key] [Ger.,=the blue rider], German expressionist art movement, lasting from 1911 to 1914. It took its name from a painting by Kandinsky, Le cavalier bleu. F...

Belmondo, Jean-Paul

(Encyclopedia)Belmondo, Jean-Paul zhäN-pōl bĕlmôNdōˈ [key], 1933–, French film actor, b. Neuilly-sur-Seine, studied Paris Conservatory. Belmondo made his film debut in 1957, but first gained fame in Breathl...

polarization of light

(Encyclopedia)polarization of light, orientation of the vibration pattern of light waves in a singular plane. Unpolarized light can be converted into a single polarized beam by means of the Nicol prism, a device ...

Saint Lawrence

(Encyclopedia)Saint Lawrence, one of the principal rivers of North America, 744 mi (1,197 km) long. It issues from the northeastern end of Lake Ontario and flows northeast, first along the U.S.-Canadian border, the...

Dirac, Paul Adrien Maurice

(Encyclopedia)Dirac, Paul Adrien Maurice dĭrăkˈ [key], 1902–84, English physicist. He was educated at the Univ. of Bristol and St. John's College, Cambridge, and became professor of mathematics at Cambridge in...

Lin, Maya Ying

(Encyclopedia)Lin, Maya Ying mīˈə [key], 1959–, American architect and sculptor, b. Athens, Ohio. Lin's work is known for its visual poetry and sensitive mingling of highly abstract form with meaning. From an ...