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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...submersible
(Encyclopedia)submersible, small, mobile undersea research vessel capable of functioning in the ocean depths. Development of a great variety of submersibles during the later 1950s and 1960s came about as a result o...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...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...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...Rulers of the Byzantine Empire (table)
(Encyclopedia)Rulers of the Byzantine Empire ...sonar
(Encyclopedia)sonar sōˈnär [key], device used underwater for locating submerged objects and for submarine communication by means of sound waves. The term sonar is an acronym for sound navigation ranging. The mai...Browse by Subject
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