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Itaipú Dam

(Encyclopedia)Itaipú Dam ētīˈpo͞o [key], hydroelectric dam on the Paraná River, on the Brazil-Paraguay border. Jointly constructed (1975–91) by Brazil and Paraguay, it is the second-largest hydroelectric da...

Brockhouse, Bertram

(Encyclopedia)Brockhouse, Bertram, 1918–2003, Canadian physicist, b. Lethbridge, Alta. Educated at the Univ. of British Columbia and Univ. of Toronto (Ph.D., 1950), he was a research officer (1950–59) and head ...

Walker, Sir John Ernest

(Encyclopedia)Walker, Sir John Ernest, 1941–, English biochemist, Ph.D. Oxford, 1969. He has been a researcher at the Medical Research Council Laboratory of Molecular Biology in Cambridge since 1974. In 1997 Walk...

Carrà, Carlo

(Encyclopedia)Carrà, Carlo käräˈ [key], 1881–1966, Italian painter. Trained as a decorator, he became associated with the artists involved in the development of futurism. His The Funeral of the Anarchist Gall...

Boltzmann, Ludwig

(Encyclopedia)Boltzmann, Ludwig lo͝otˈvĭkh bôltsˈmän [key], 1844–1906, Austrian physicist, b. Vienna, educated at Univ. of Vienna. He began teaching (1869) at Graz Univ. In 1873 he became mathematics profes...

Lop Nur

(Encyclopedia)Lop Nur lôp nûr [key], salt basin, SE Xinjiang Uygur Autonomous Region, China, in the Tarim River basin. Since 1964, Lop Nur has been used by the China for its nuclear test explosions. Once a large ...

Taylor, Maxwell Davenport

(Encyclopedia)Taylor, Maxwell Davenport, 1901–87, U.S. general, b. Keytesville, Mo., grad. West Point, 1922. In World War II he served in Europe with the 82d Airborne Division and as commander of the 101st Airbor...

Tolstaya, Tatyana

(Encyclopedia)Tolstaya, Tatyana tōlstīˈyä [key], 1951–, Russian short-story writer and essayist. Increasingly recognized as one of the major European writers of the postwar generation, Tolstaya is part of a R...

Clancy, Tom

(Encyclopedia)Clancy, Tom (Thomas Leo Clancy, Jr.), 1947–2013, American popular novelist, b. Baltimore, grad. Loyola Univ. Maryland (B.A., 1969). While working as an insurance agent he wrote The Hunt for Red Octo...

Cohen, Samuel Theodore

(Encyclopedia)Cohen, Samuel Theodore, 1921–2010, American physicist known as the “father of the neutron bomb,” b. Brooklyn, N.Y., grad. Univ. of California, Los Angeles, 1943. He worked on the Manhattan Proje...