Columbia Encyclopedia

(Encyclopedia) Barton, Derek H. R., 1918–98, British chemist, b. Gravesend, England, grad. Imperial College of Science and Technology (B.S. 1940, Ph.D. 1942, D.Sc. 1949). He was on the faculty of Imperial College ...

(Encyclopedia) Peabody, Elizabeth Palmer pēˈbädē, –bədē [key], 1804–94, American educator, lecturer, and reformer, b. Billerica, Mass. The Peabody family moved (c.1809) to Salem, where the father began pra...

(Encyclopedia) Alcott, Bronson ôlˈkət, ăl–, –kŏt [key], 1799–1888, American educational and social reformer, b. near Wolcott, Conn., as Amos Bronson Alcox. His meager formal education was supplemented by ...

(Encyclopedia) transcendentalism trănˌsĕndĕnˈtəlĭzəm [key] [Lat.,=overpassing], in literature, philosophical and literary movement that flourished in New England from about 1836 to 1860. It originated among ...

(Encyclopedia) Shelley, Percy Bysshe bĭsh [key], 1792–1822, English poet, b. Horsham, Sussex. He is ranked as one of the great English poets of the romantic period. Most of Shelley's poetry reveals his philos...

(Encyclopedia) Shiites shēˈītz [key] [Arab., shiat Ali,=the party of Ali], the second largest branch of Islam, Shiites currently account for 10%–15% of all Muslims. Shiite Islam originated as a political moveme...

(Encyclopedia) charter school, alternative type of American public school that, while paid for by taxes, is independent of the public-school system and relatively free from state and local regulations. A charter sch...

(Encyclopedia) Hardwick, Elizabeth, 1916–2007, American literary critic, novelist, and short-story writer, b. Lexington, Ky.; grad Univ. of Kentucky (B.A., 1938; M.A., 1939). She moved (1939) to New York City, whe...

(Encyclopedia) extinction, in biology, disappearance of species of living organisms. Extinction usually occurs as a result of changed conditions to which the species is not suited. If no member of the affected speci...

(Encyclopedia) clay, common name for a number of fine-grained, earthy materials that become plastic when wet. Chemically, clays are hydrous aluminum silicates, ordinarily containing impurities, e.g., potassium, sodi...