Columbia Encyclopedia

(Encyclopedia) Jim Crow laws, in U.S. history, statutes enacted by Southern states and municipalities, beginning in the 1880s, that legalized segregation between blacks and whites. The name is believed to be derived...

(Encyclopedia) zoning, legislative regulations by which a municipal government seeks to control the use of buildings and land within the municipality. It has become, in the United States, a widespread method of cont...

(Encyclopedia) Reagan, Ronald Wilson rāˈgən [key], 1911–2004, 40th president of the United States (1981–89), b. Tampico, Ill. In 1932, after graduation from Eureka College, he became a radio announcer and spo...

(Encyclopedia) corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...

(Encyclopedia) John D. and Catherine T. MacArthur Foundation, philanthropic institution founded 1978 by John D. MacArthur (1897–1978), owner of a prominent insurance company and other businesses, and his wife Cath...

(Encyclopedia) drug addiction and drug abuse, chronic or habitual use of any chemical substance to alter states of body or mind for other than medically warranted purposes. Traditional definitions of addiction, with...

(Encyclopedia) Rhodes, James Ford rōdz [key], 1848–1927, American historian, b. Ohio City (now part of Cleveland). While studying in Europe he visited ironworks and steelworks in Germany and Great Britain, and up...

(Encyclopedia) Butler, Benjamin Franklin, 1795–1858, American political leader and cabinet officer, b. Columbia co., N.Y. Butler, like his former law associate, Martin Van Buren, was a member of the Albany Regency...

(Encyclopedia) Laird, Melvin Robert, 1922–2016, American politician, U.S. secretary of defense (1969–73), b. Omaha, Nebr. After serving (1942–46) in the navy during World War II, he entered politics as a Repub...

(Encyclopedia) Roth v. United States, case decided in 1957 by the U.S. Supreme Court. Samuel Roth of New York City was convicted of mailing obscene materials. On appeal his conviction was affirmed by the Supreme Cou...