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Citrine, Walter McLennan Citrine, 1st Baron

(Encyclopedia)Citrine, Walter McLennan Citrine, 1st Baron sĭtrēnˈ [key], 1887–1983, English trade union leader. An electrician, he became district secretary of the electrical trade union in 1914 and rose to be...

Challenger

(Encyclopedia)Challenger, U.S. space shuttle. It exploded (Jan. 28, 1986) 73 seconds into its tenth flight, killing all seven crew members, including the first civilian in space, schoolteacher Christa McAuliffe. Th...

Haskins, Charles Homer

(Encyclopedia)Haskins, Charles Homer, 1870–1937, American historian, an authority on medieval history, b. Meadville, Pa. At Harvard (1902–31) he was professor and dean of graduate studies (1908–24); in the la...

Gregory, Wilton Daniel

(Encyclopedia)Gregory, Wilton Daniel, 1947–, American Roman Catholic cardinal, b. Chicago. Ordained in 1973, he was educated at Niles College (now St. Joseph's College Seminary) of Loyola Univ., Chicago, St. Mary...

García Robles, Alfonso

(Encyclopedia)García Robles, Alfonso älfônˈsō gärsēˈä rōˈblās [key], 1911–91, Mexican statesman, b. Zamora, Mex. After studying law in Europe, he entered the Mexican foreign service in 1939. He was a ...

Morrow, Dwight Whitney

(Encyclopedia)Morrow, Dwight Whitney, 1873–1931, American banker and diplomat, b. Huntington, W.Va. He practiced law in New York City and entered (1914) the banking house of J. P. Morgan & Company. After the ...

Orizaba, city, Mexico

(Encyclopedia)Orizaba ōrēsäˈbä [key], city (1990 pop. 114,216), Veracruz state, E central Mexico. It is the commercial center of a prosperous bean and sugar growing region. The development of water power has s...

McDougall, William, Canadian statesman

(Encyclopedia)McDougall, William, 1822–1905, Canadian leader in the movement for Canadian confederation, b. Ontario. He was elected (1858) to the Legislative Assembly, and in 1864 he entered the “great coalitio...

Mahgoub, Muhammad Ahmad

(Encyclopedia)Mahgoub, Muhammad Ahmad mo͞ohämˈmäd äkhmädˈ mäˈgo͞o [key], 1908–76, Sudanese political leader. After twice serving as Sudan's minister of foreign affairs (1956–58, 1964–65), he was ele...

liberation theology

(Encyclopedia)liberation theology, belief that the Christian Gospel demands “a preferential option for the poor,” and that the church should be involved in the struggle for economic and political justice in the...