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Jaggar,Thomas Augustus, Jr.

(Encyclopedia)Jaggar,Thomas Augustus, Jr., 1871–1953, American geologist and volcanologist, b. Philadelphia, Ph.D. Harvard, 1897. One of the team of U.S. scientists (1902) who surveyed the eruptions in the West I...

aqueduct

(Encyclopedia)aqueduct ăkˈwədŭkt [key] [Lat.,=conveyor of water], channel or trough built to convey water, chiefly for providing a densely populated region with a supply of freshwater. The flow in aqueducts is ...

Moran, Edward

(Encyclopedia)Moran, Edward mərănˈ [key], 1829–1901, American painter of marine and historical subjects, b. England. He came to the United States with his family in 1844. In 1899 he completed a series of 13 pa...

O'Keeffe, Georgia

(Encyclopedia)O'Keeffe, Georgia ōkēfˈ [key], 1887–1986, American painter, b. Sun Prairie, Wis. After working briefly as a commercial artist in Chicago, O'Keeffe abandoned painting until she began the study of ...

Neurath, Otto

(Encyclopedia)Neurath, Otto, 1882–1945, Austrian philosopher, social scientist, and design theorist, b. Vienna. During the 1920s and 30s he was both a Marxist and a member of the Vienna Circle, an exponent of log...

Mellon, Paul

(Encyclopedia)Mellon, Paul, 1907–99, American philanthropist and art collector, b. Pittsburgh. The son of Andrew W. Mellon, he attended Yale (B.A., 1929) and Clare College, Cambridge (A.B., 1931). He worked brief...

robotics

(Encyclopedia)robotics, science and technology of general purpose, programmable machine systems. Contrary to the popular fiction image of robots as ambulatory machines of human appearance capable of performing almo...

Turing, Alan Mathison

(Encyclopedia)Turing, Alan Mathison, 1912–54, British mathematician and computer theorist. While studying at Cambridge he began work in predicate logic that led to a proof (1937) that some mathematical problems a...

Bengaluru

(Encyclopedia)Bengaluru băng-gəlôrˈ [key], city (2021 pop. 5,104,047; est. pop. metropolitan area 12,327,000), ...

Walker, Kara Elizabeth

(Encyclopedia)Walker, Kara Elizabeth,1969–, American artist, b. Stockton, Calif., grad. Atlanta College of Art (B.F.A., 1981), Rhode Island School of Design (M.F.A., 1994). Walker is best known for her large, cut...