Columbia Encyclopedia

(Encyclopedia) Petrie, Sir William Matthew Flinders pēˈtrē [key], 1853–1942, English archaeologist, a noted Egyptologist. He excavated ancient remains in Britain (1875–80), Egypt (1880–1924), and Palestine ...

(Encyclopedia) Reyes, Alfonso älfônˈsō rāˈyĕs [key], 1889–1959, Mexican writer, diplomat, and educator. Reyes is generally recognized as one of the greatest Spanish-American writers of his time. After spend...

(Encyclopedia) Alliance for Progress, Span. Alianza para el Progreso, U.S. assistance program for Latin America begun in 1961 during the presidency of John F. Kennedy. It was created principally to counter the appea...

(Encyclopedia) Blue Nile, Arab. Bahr el Azraq, river, c.1,000 mi (1,600 km) long, the chief headstream of the Nile, rising in Lake Tana, NW Ethiopia, at an altitude of c.6,000 ft (1,800 m). It flows generally S from...

(Encyclopedia) Coptic art, Christian art in the upper Nile valley of Egypt. Reaching its mature phase in the late 5th and 6th cent., the development of Coptic art was interrupted by the Arab conquest of Egypt betwee...

(Encyclopedia) Jenin jĕˈnēn [key], town (2003 est. pop. 34,000), West Bank, at the southern entrance to the Esdraelon Valley and on the northern edge of the Samarian Highlands. It is an important crossroads, urba...

(Encyclopedia) Kouchner, Bernard bârnärˈ ko͞oshnârˈ [key], 1939–, French physician, diplomat, and politician. A gastroenterologist by training, he earned his medical degree in France in the late 1960s. He pr...

(Encyclopedia)  Warner, John William III, 1927-2021, U.S. politician, b. Washington, D.C., Washington and Lee Univ. (B.A., 1949), Univ. of Va. School of Law (J.D., 19...

(Encyclopedia) Sánchez Cerén, Salvador sĕrēnˈ [key], 1944–, Salvadoran rebel and political leader. After attending Alberto Masferrer Salvadoran Univ. (grad. 1963), he became a teacher and was active in the t...

(Encyclopedia) power, in physics, time rate of doing work or of producing or expending energy. The unit of power based on the English units of measurement is the horsepower, devised for describing mechanical power b...