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Surratt, Mary Eugenia

(Encyclopedia)Surratt, Mary Eugenia sərătˈ [key], 1820–65, alleged conspirator in the assassination of Abraham Lincoln, hanged on July 7, 1865. A widow (her maiden name was Jenkins) who had moved from Surratts...

Frederick I, Holy Roman emperor and German king

(Encyclopedia)Frederick I or Frederick Barbarossa bärbərôsˈə [key] [Ital.,=red beard], c.1125–90, Holy Roman emperor (1155–90) and German king (1152–90), son of Frederick of Hohenstaufen, duke of Swabia,...

Cistercians

(Encyclopedia)Cistercians sĭstrˈshənz [key], monks of a Roman Catholic religious order founded (1098) by St. Robert, abbot of Molesme, in Cîteaux [Cistercium], Côte-d'Or dept., France. They reacted against Clu...

Heisenberg, Werner

(Encyclopedia)Heisenberg, Werner vĕrˈnər hīˈzənbĕrk [key], 1901–76, German physicist. One of the founders of the quantum theory, he is best known for his uncertainty principle, or indeterminacy principle, ...

settlement house

(Encyclopedia)settlement house, neighborhood welfare institution generally in an urban slum area, where trained workers endeavor to improve social conditions, particularly by providing community services and promot...

National Aeronautics and Space Administration

(Encyclopedia)National Aeronautics and Space Administration (NASA), civilian agency of the U.S. federal government with the mission of conducting research and developing operational programs in the areas of space e...

Pius XII

(Encyclopedia)Pius XII, 1876–1958, pope (1939–58), an Italian named Eugenio Pacelli, b. Rome; successor of Pius XI. Ordained a priest in 1899, he entered the Vatican's secretariat of state. He became (1912) und...

Boas, Franz

(Encyclopedia)Boas, Franz bōˈăz, –ăs [key], 1858–1942, German-American anthropologist, b. Minden, Germany, Ph.D. Univ. of Kiel, 1881. He joined an expedition to Baffin Island in 1883 and initiated his field...

Marshall, George Catlett

(Encyclopedia)Marshall, George Catlett, 1880–1959, American general and cabinet member, b. Uniontown, Pa. A career army officer, Marshall graduated from the Virginia Military Institute. He first distinguished him...

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