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cycle

(Encyclopedia)cycle, in astronomy, period of time required for the recurrence of some celestial event. The length of a cycle may be measured relative to the sun or to the fixed stars (see sidereal time). A frequent...

Popper, Sir Karl Raimund

(Encyclopedia)Popper, Sir Karl Raimund, 1902–94, Anglo-Austrian philosopher, b. Vienna. He became familiar with the Vienna circle of logical positivists (see logical positivism) while a student at the Univ. of Vi...

Stockhausen, Karlheinz

(Encyclopedia)Stockhausen, Karlheinz kärlˈhīnts shtôkˈhouzən [key], 1928–2007, German composer, music theorist, and teacher; his first name also appears as Karl Heinz. He studied composition with Frank Mart...

Lapland

(Encyclopedia)Lapland lăpˈlăndˌ [key], Finn. Lappi, Nor. Lapland, Swed. Lappland, vast region of N Europe, largely within the Arctic Circle. It includes the Norwegian provinces of Finnmark and Troms and part of...

Ashbery, John

(Encyclopedia)Ashbery, John, 1927–2017, American poet, b. Rochester, N.Y., grad. Harvard (B.A., 1949), Columbia (M.A., 1951). Among the most acclaimed and influential American poets of his era, he was (1960s–70...

Schubert, Franz Peter

(Encyclopedia)Schubert, Franz Peter fränts pāˈtər sho͞oˈbərt [key], 1797–1828, Austrian composer, one of the most gifted musicians of the 19th cent. His symphonic works represent the best legacy of the cla...

Staël, Germaine de

(Encyclopedia)Staël, Germaine de zhĕrmĕnˈ də stäl [key], 1766–1817, French-Swiss woman of letters, whose full name was Anne Louise Germaine Necker, baronne de Staël-Holstein. Born in Paris, the daughter of...

Brecht, Bertolt

(Encyclopedia)Brecht, Bertolt bĕrˈtôlt brĕkht [key], 1898–1956, German dramatist and poet, b. Eugen Berthold Friedrich Brecht. His brilliant wit, his outspoken Marxism, and his revolutionary experiments in th...

Boas, Franz

(Encyclopedia)Boas, Franz bōˈăz, –ăs [key], 1858–1942, German-American anthropologist, b. Minden, Germany, Ph.D. Univ. of Kiel, 1881. He joined an expedition to Baffin Island in 1883 and initiated his field...

ocean

(Encyclopedia)ocean, interconnected mass of saltwater covering 70.78% of the surface of the earth, often called the world ocean. It is subdivided into four (or five) major units that are separated from each other i...