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National Gallery of Art

(Encyclopedia)National Gallery of Art, Washington, D.C., an affiliate of the Smithsonian Institution, established by an act of Congress, 1937. Andrew W. Mellon donated funds for construction of the building as well...

Plutarch

(Encyclopedia)Plutarch plo͞oˈtärk [key], a.d. 46?–c.a.d. 120, Greek essayist and biographer, b. Chaeronea, Boeotia. He traveled in Egypt and Italy, visited Rome (where he lectured on philosophy) and Athens, an...

pony express

(Encyclopedia)pony express, in U.S. history, relay mail service. At its inception in Apr., 1860, the pony express operated between St. Joseph, Mo., the western end of a telegraph line, and Sacramento, Calif. Riders...

Stuart, James, earl of Arran

(Encyclopedia)Stuart or Stewart, James, earl of Arran ârˈən [key], d. 1595, Scottish nobleman. He spent his early years as a soldier of fortune fighting in the Dutch revolt against Spain, returned to Scotland in...

Rotblat, Sir Joseph

(Encyclopedia)Rotblat, Sir Joseph, 1908–2005, British physicist and anti-nuclear weapons activist, b. Warsaw, Poland; grad. Free Univ. of Poland (M.A., 1932), Univ. of Warsaw (Ph.D., 1938), Univ. of Liverpool (Ph...

satire

(Encyclopedia)satire, term applied to any work of literature or art whose objective is ridicule. It is more easily recognized than defined. From ancient times satirists have shared a common aim: to expose foolishne...

Hoffa, Jimmy

(Encyclopedia)Hoffa, Jimmy (James Riddle Hoffa) hôfˈə [key], 1913–75?, U.S. labor leader, b. Brazil, Indiana. As a young warehouseman he organized (1932) a union that was admitted two years later into the Team...

Whitehead, Alfred North

(Encyclopedia)Whitehead, Alfred North, 1861–1947, English mathematician and philosopher, grad. Trinity College, Cambridge, 1884. There he was a lecturer in mathematics until 1911. At the Univ. of London he was a ...

venom

(Encyclopedia)venom or zootoxin, any of a variety of poisonous substances produced by animals. In poisonous snakes, venom is secreted in two poison glands, one on each side of the upper jaw, and enters the fang by ...

spectral class

(Encyclopedia)CE5 spectral class, in astronomy, a classification of the stars by their spectrum and luminosity. In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically....