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Halley, Edmond

(Encyclopedia)Halley, Edmond hălˈē, hôˈlē [key], 1656–1742, English astronomer and mathematician. He is particularly noted as the first astronomer to predict the return of a comet and the first to point out...

Caesar, Sid

(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 show he met...

Spectator

(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 by Steele on Ap...

Kitchen Cabinet

(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 meetings and used hea...

robot

(Encyclopedia)robot or automaton ôtämˈətänˌ [key] mechanical device designed to perform the work generally done by a human being. The Czech dramatist Karel Čapek popularized the expression [Czech,=compulsory...

calculus of variations

(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 variables themselves, a...

Brunelleschi, Filippo

(Encyclopedia)Brunelleschi, Filippo fēlēpˈpō bro͞onĕl-lĕsˈkē [key], 1377–1446, first great architect of the Italian Renaissance, a Florentine by birth. Trained as sculptor and goldsmith, he designed a tr...

Soyer

(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 settled in Ne...

Rulers of the Byzantine Empire (table)

(Encyclopedia)Rulers of the Byzantine Empire ...

Dutilleux, Henri

(Encyclopedia)Dutilleux, Henri, 1916–2013, French composer, b. Angers; studied (1933–38) Paris Conservatory, received (1938) the Grand Prix de Rome. After serving in World War II, he was a pianist, teacher, arr...