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Cartwright, Alexander Joy

(Encyclopedia)Cartwright, Alexander Joy, 1820–92, American baseball player, b. New York City. He worked as a bank teller and a bookseller, and was a volunteer firefighter with the Knickerbocker Fire Engine Compan...

Plessy v. Ferguson

(Encyclopedia)Plessy v. Ferguson, case decided by the U.S. Supreme Court in 1896. The court upheld an 1890 Louisiana statute mandating racially segregated but equal railroad carriages, ruling that the equal protect...

rhythm, biological

(Encyclopedia)rhythm, biological, or biorhythm, cyclic pattern of physiological changes or changes in activity in living organisms, most often synchronized with daily, monthly, or annual cyclical changes in the env...

Foley, Thomas Stephen

(Encyclopedia)Foley, Thomas Stephen, 1929–2013, U.S. congressman, Speaker of the U.S. House of Representatives (1989–95), b. Spokane, Wash. A lawyer, he was elected to the U.S. House of Representatives in 1964 ...

O'Toole, Peter

(Encyclopedia)O'Toole, Peter (Peter Seamus O'Toole), 1932–2013, British actor, b. Connemara, Ireland, grad. Royal Academy of Dramatic Art, London (1955). A classical stage actor, he appeared (1955–58) with the ...

abrasive

(Encyclopedia)abrasive, material used to grind, smooth, cut, or polish another substance. Natural abrasives include sand, pumice, corundum, and ground quartz. Carborundum (silicon carbide) and alumina (aluminum oxi...

Moore, Mary Tyler

(Encyclopedia)Moore, Mary Tyler, 1936–2017, American actress, b. Brooklyn, N.Y. Although she began her career as a dancer, Moore's success blossomed with her roles on television, first in small parts on various s...

Lang Lang

(Encyclopedia)Lang Lang, 1982–, Chinese virtuoso pianist. A child prodigy, he studied at the Central Music Conservatory, Beijing, and the Curtis Institute, Philadelphia. Noted for the romantic, emotive nature of ...

Carver, George Washington

(Encyclopedia)Carver, George Washington, 1864?–1943, American agricultural chemist, b. Diamond, Mo., grad. Iowa State College (now Iowa State Univ.; B.S., 1894; M.A. 1896). Born a slave, he later, as a free man, ...

decathlon

(Encyclopedia)decathlon dĭkăthˈlŏn [key], in modern Olympic games, a contest for men held over two days and composed of 10 track-and-field events. It consists of the long jump; the high jump; the discus throw; ...