Clay and Pottery An ancient art by Phyllis McKee Clay on a potter's wheel Since the first piece of clay fell into a fire and was transformed into a glasslike material,…
(Encyclopedia) Halley, EdmondHalley, Edmondhălˈē, hôˈlē [key], 1656–1742, English astronomer and mathematician. He is particularly noted as the first astronomer to predict the return of a comet and…
(Encyclopedia) Spectator, English daily periodical published jointly by Joseph Addison and Richard Steele with occasional contributions from other writers. It succeeded the Tatler, a periodical begun…
(Encyclopedia) Caesar, Sid (Isaac Sidney Caesar), 1922–2014, American comedian, one of the stars of the “golden age of live television,” b. Yonkers, N.Y. While performing in a World War II military…
Iwo Jima From Allied invasion to national symbol by Gerry Brown During the winter of 1945, in the midst of World War II, the Pacific island of Iwo Jima, part of Japan, was an attractive target…
(Encyclopedia) Kitchen Cabinet, in U.S. history, popular name for the group of intimate, unofficial advisers of President Jackson. Early in his administration Jackson abandoned official cabinet…
(Encyclopedia) robot or automatonrobotôtämˈətänˌ [key] mechanical device designed to perform the work generally done by a human being. The Czech dramatist Karel Čapek popularized the expression […
(Encyclopedia) Soyer, three brothers, American painters, emigrated with their family from Russia in 1912. Two were twins, Raphael Soyer, 1899–1987, and Moses Soyer, 1899–1974, b. Borisoglebsk. They…
(Encyclopedia) Brunelleschi, FilippoBrunelleschi, Filippofēlēpˈpō br&oomacr;nĕl-lĕsˈkē [key], 1377–1446, first great architect of the Italian Renaissance, a Florentine by birth. Trained as…
(Encyclopedia) calculus of variations, branch of mathematics concerned with finding maximum or minimum conditions for a relationship between two or more variables that depends not only on the…