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Seurat, Georges

(Encyclopedia)Seurat, Georges zhôrzh söräˈ [key], 1859–91, French neoimpressionist painter. He devised the pointillist technique of painting in tiny dots of pure color. His method, called divisionism, was a s...

dimension, in physics

(Encyclopedia)dimension, in physics, an expression of the character of a derived quantity in relation to fundamental quantities, without regard for its numerical value. In any system of measurement, such as the met...

O'Hara, Frank

(Encyclopedia)O'Hara, Frank 1926–66, American poet, b. Baltimore, grad. Harvard (B.A., 1950), Univ. of Michigan, Ann Arbor (M.A., 1951). His poetry is spontaneous, vernacular, witty, personal, and very much of it...

Orbiting Astronomical Observatory

(Encyclopedia)Orbiting Astronomical Observatory (OAO), series of four orbiting observatories (see observatory, orbiting) launched between 1966 and 1972 by the National Aeronautics and Space Administration (NASA) to...

Elder, Lee

(Encyclopedia) Elder, Lee, 1934-2021, American professional golfer, b. Dallas, Tx., as Robert Lee Elder. Elder broke many racial barriers in professional golf as the ...

Harold III

(Encyclopedia)Harold III or Harold Hardrada härdräˈdə [key], Norse Harald Harðráði [Harold stern council], d. 1066, king of Norway (1046–66), half-brother of Olaf II. After Olaf's defeat (1030), Harold wen...

Kellogg, Edward

(Encyclopedia)Kellogg, Edward, 1790–1858, American economist, b. Norwalk, Conn. He advocated a financial scheme to abolish interest, which was often usurious at the time he wrote. Kellogg devised a system of fina...

string theory

(Encyclopedia)string theory, description of elementary particles based on one-dimensional curves, or “strings,” instead of point particles. Superstring theory, which is string theory that contains a kind of sym...

Burnett, Carol

(Encyclopedia)Burnett, Carol bərnĕtˈ [key], 1936–, American television performer, b. San Antonio, Tex. Beginning her show-business life as a singer, she soon turned to comedy. After starring in the off-Broadwa...

Berdyaev, Nicholas

(Encyclopedia)Berdyaev, Nicholas bĕrdyīˈəf [key], 1874–1948, Russian theologian and religious philosopher, b. Kiev. After an early period as a Marxist, Berdyaev became prominent in a brilliant circle of Russi...