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typhoid fever

(Encyclopedia)typhoid fever acute, generalized infection caused by Salmonella typhi. The main sources of infection are contaminated water or milk and, especially in urban communities, food handlers who are carriers...

Parks, Gordon

(Encyclopedia)Parks, Gordon (Gordon Roger Alexander Buchanan Parks), 1912–2006, African-American photographer, filmmaker, writer, and composer, b. Fort Scott, Kans. Parks purchased his first camera in 1938 and be...

Gardner, John William

(Encyclopedia)Gardner, John William, 1912–2002, American public official, U.S. secretary of health, education, and welfare (1965–68), b. Los Angeles. After teaching psychology at Connecticut and Mt. Holyoke col...

edge cities

(Encyclopedia)edge cities, term designating commercial complexes that have grown up on the margins of large American cities, a development that dates mainly from the 1970s. The term was coined by Joel Garreau in hi...

bus

(Encyclopedia)bus [Lat. omnibus=for all], large public conveyance. A horse-drawn urban omnibus was introduced in Paris in 1662 by Blaise Pascal and his associates, but it remained in operation for only a few years....

Calixtus I, Saint

(Encyclopedia)Calixtus I, Callixtus I, or Callistus I, Saint kəlĭkˈstəs, kəlĭsˈtəs [key], c.160–c.222, pope (217–222), a Roman; successor of St. Zephyrinus. As archdeacon to Zephyrinus he established th...

Brace, Charles Loring

(Encyclopedia)Brace, Charles Loring, 1826–90, American clergyman and social reformer, b. Litchfield, Conn. America's pioneer children's advocate, he founded (1853) the Children's Aid Society of New York, an organ...

Wittelsbach

(Encyclopedia)Wittelsbach vĭˈtəlsbäkh [key], German dynasty that ruled Bavaria from 1180 until 1918. The family takes its name from the ancestral castle of Wittelsbach in Upper Bavaria. In 1180 Holy Roman Emper...

Michael, czar of Russia

(Encyclopedia)Michael (Michael Romanov), 1596–1645, czar of Russia (1613–45), founder of the Romanov dynasty; grandnephew of Anastasia, first wife of Ivan IV. His election as czar, following successive appearan...

Ladislaus I, king of Hungary

(Encyclopedia)Ladislaus I or Saint Ladislaus lädˈĭslousˌ [key], 1040–95, king of Hungary (1077–95). He supported Pope Gregory VII against Holy Roman Emperor Henry IV, but rejected Gregory's suggestion that ...