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Ngouabi, Marien

(Encyclopedia)Ngouabi, Marien, 1938–77, Congolese army officer and political leader. After military training in France, he served in the Congo Republic's army and started the country's first paratrooper battalion...

Lon Nol

(Encyclopedia)Lon Nol lŏn nōl [key], 1913–85, Cambodian general and political leader. He became defense minister and army chief of staff in 1955 in Norodom Sihanouk's government. He served as premier (1966–67...

Mwinyi, Ali Hassan

(Encyclopedia)Mwinyi, Ali Hassan, 1925–, Tanzanian political leader. Entering politics in 1963, Mwinyi held government positions in Zanzibar, then several Tanzanian government posts (1970–84), before he was ele...

Arias Sánchez, Oscar

(Encyclopedia)Arias Sánchez, Oscar ôsˈkär ärˈyäs sänˈchĕz [key], 1941–, president of Costa Rica (1986–90, 2006–). He was financial adviser to the president (1970–72), minister of national planning...

McLoughlin, John

(Encyclopedia)McLoughlin, John məglŏkhˈlĭn, –glôfˈlĭn [key], 1784–1857, Canadian-American fur trader in Oregon, b. Rivière du Loup, near Quebec. A physician and then a trader, he was (1824–46) chief a...

château

(Encyclopedia)château shătōˈ, Fr. shätōˈ [key], royal or seignioral residence and stronghold of medieval France—the counterpart of the English castle of the period. In such a fortress, peasants of the surr...

Geological Survey, United States

(Encyclopedia)Geological Survey, United States, bureau organized in 1879 under the Dept. of the Interior to unify and centralize the work already undertaken by separate surveys under Clarence King, F. V. Hayden, Ge...

Prado, Mariano Ignacio

(Encyclopedia)Prado, Mariano Ignacio märyäˈnō ēgnäˈsyō präˈᵺō [key], 1826–1901, president of Peru (1865–67, 1878–79). He aided Ramón Castilla in the revolution of 1854. Indignant at the treaty t...

Hertford, William Seymour, 1st marquess and 2d earl of

(Encyclopedia)Hertford, William Seymour, 1st marquess and 2d earl of härˈfərd, härtˈ– [key], 1588–1660, English nobleman; great-grandson of Edward Seymour, duke of Somerset, and grandson of Lady Catherine ...

Hesburgh, Theodore Martin

(Encyclopedia)Hesburgh, Theodore Martin, 1917–2015, American educator and civil rights advocate, b. Syracuse, N.Y., grad. Pontifical Gregorian Univ. (1939), Catholic Univ. of America (Ph.D., 1945). A member of th...