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Brown, Margaret Wise

(Encyclopedia)Brown, Margaret Wise, 1910–52, American children's book author, b. Brooklyn, N.Y., B.A Hollins College, 1932. Continuing her education at the Bureau of Educational Experiments (now the Bank Street C...

lead poisoning

(Encyclopedia)lead poisoning or plumbism plŭmˈbĭzˌəm [key], intoxication of the system by organic compounds containing lead. These enter the body by respiration (of dust, fumes, or sprays) or by ingestion of f...

capital levy

(Encyclopedia)capital levy, form of taxation by which the government takes part of the capital of any person or business, as distinguished from a tax on personal or business income. It is usually applied to all cap...

Taft, Robert Alphonso

(Encyclopedia)Taft, Robert Alphonso, 1889–1953, American politician, b. Cincinnati, Ohio; son of William Howard Taft. He practiced law in Ohio and served (1921–26, 1931–32) in the state legislature. Elected t...

Spyri, Johanna

(Encyclopedia)Spyri, Johanna yōhänˈä shpēˈrē [key], 1827–1901, Swiss author. Her many stories of child life in Switzerland include Heidi (1880; tr. 1884), a classic among children's books. Heidi, the story...

air pollution

(Encyclopedia)air pollution, contamination of the air by noxious gases and minute particles of solid and liquid matter (particulates) in concentrations that endanger health. The major sources of air pollution are t...

Goldberg, Arthur

(Encyclopedia)Goldberg, Arthur, 1908–90, American labor lawyer and jurist, associate justice of the U.S. Supreme Court (1962–65), b. Chicago. He received his law degree from Northwestern Univ. in 1929. A corpor...

bastard

(Encyclopedia)bastard, person born out of wedlock whose legal status is illegitimacy. In civil law countries and in about half the states of the United States, the union of the parents in marriage after birth makes...

Koprowski, Hilary

(Encyclopedia)Koprowski, Hilary, 1916–2013, Polish-American microbiologist and immunologist, b. Warsaw, M.D. Univ. of Warsaw, 1939. He fled Poland after the Nazi invasion (1939), making his way to Brazil where he...

biological warfare

(Encyclopedia)biological warfare, employment in war of microorganisms to injure or destroy people, animals, or crops; also called germ or bacteriological warfare. Limited attempts have been made in the past to spre...