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Snow, C. P.

(Encyclopedia) Snow, C. P. (Charles Percy Snow, Baron Snow of Leicester), 1905–80, English author and physicist. Snow had an active, varied career, including several important positions in the…

Rotblat, Sir Joseph

(Encyclopedia) Rotblat, Sir Joseph, 1908–2005, British physicist and anti-nuclear weapons activist, b. Warsaw, Poland; grad. Free Univ. of Poland (M.A., 1932), Univ. of Warsaw (Ph.D., 1938), Univ. of…

Oe, Kenzaburo

(Encyclopedia) Oe, Kenzaburo Oe, Kenzaburo kĕnˌzäb&oobreve;rˈō ōˈā [key], 1935–…

Yukon, territory, Canada

(Encyclopedia) CE5 Yukon, territory (2001 pop. 28,674), 207,076 sq mi (536,327 sq km), NW Canada. The territory's history began with the explorations in the 1840s of Robert Campbell and John…

Frobisher, Sir Martin

(Encyclopedia) Frobisher, Sir MartinFrobisher, Sir Martinfrōˈbĭshər [key], 1535?–1594, English mariner. He went to sea as a boy, and spent much of his youth in the African trade. He later gained the…

international relations

(Encyclopedia) international relations, study of the relations among states and other political and economic units in the international system. Particular areas of study within the field of…

Locke, Alain LeRoy

(Encyclopedia) Locke, Alain LeRoy, 1885–1954, American writer, educator, philosopher, and cultural critic, b. Philadelphia, grad. Harvard (A.B., 1907; Ph.D., 1918), first African-American Rhodes…

Chaplin, Charlie

(Encyclopedia) Chaplin, Charlie (Sir Charles Spencer Chaplin), 1889–1977, English film actor, director, producer, writer, and composer, b. London. Chaplin began on the music-hall stage and then…

De Soto, Hernando

(Encyclopedia) De Soto, HernandoDe Soto, Hernandodĭsōˈtō, Span. ĕrnänˈdō dā sōˈtō [key], c.1500–1542, Spanish explorer. After serving under Pedro Arias de Ávila in Central America and under Francisco…

dark energy

(Encyclopedia) dark energy, repulsive force that opposes the self-attraction of matter (see gravitation) and causes the expansion of the universe to accelerate. The search for dark energy was…