Columbia Encyclopedia

(Encyclopedia) Walker, Alice, 1944–, African-American novelist and poet, b. Eatonon, Ga. The daughter of sharecroppers, she studied at Spelman College (1961–63) and Sarah Lawrence College (B.A., 1965). She bring...

(Encyclopedia) Adler, Larry (Lawrence Cecil Adler) ădˈlər [key], 1914–2001, American harmonica player, b. Baltimore. Adler, whose career spanned seven decades, is generally credited with elevating the harmonica...

(Encyclopedia) Rubin, Robert Edward ro͞oˈbĭn [key], 1938–, U.S. business executive and government official, b. New York City. A graduate of Harvard, he attended the London School of Economics before receiving h...

(Encyclopedia) bipolar disorder, formerly manic-depressive disorder or manic-depression, severe mental disorder involving manic episodes that are usually accompanied by episodes of depression. The term “manic-depr...

(Encyclopedia) proton, elementary particle having a single positive electrical charge and constituting the nucleus of the ordinary hydrogen atom. The positive charge of the nucleus of any atom is due to its protons....

(Encyclopedia) Scouts or Boy Scouts, organization of boys and girls 11 to 17 years old, founded (1907) in Great Britain by Sir Robert (later Lord) Baden-Powell and originally for boys only; since the late 20th cent....

(Encyclopedia) radon rāˈdŏn [key], gaseous radioactive chemical element; symbol Rn; at. no. 86; mass no. of most stable isotope 222; m.p. about −71℃; b.p. −61.8℃; density 9.73 grams per liter at STP; vale...

(Encyclopedia)  CE5 North America, third largest continent (2015 est. pop. 571,949,000), c.9,400,000 sq mi (24,346,000 sq km), the northern of the two continents of the Western Hemisphere. North America includes a...

(Encyclopedia) Levine, James Lawrence, 1943–2021, American conductor, b. Cincinnati, Ohio. . Levine’s parents were both performers; his father had been a bandleade...

(Encyclopedia) Auchincloss, Louis (Louis Stanton Auchincloss) ôˈkĭnklŏs [key], 1917–2010, American novelist and man of letters, b. Lawrence, New York; studied Yale, Univ. of Virginia Law School (LL.B., 1941). ...