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cosmic rays

(Encyclopedia)cosmic rays, charged particles moving at nearly the speed of light reaching the earth from outer space. Primary cosmic rays consist mostly of protons (nuclei of hydrogen atoms), some alpha particles (...

Oncken, Hermann

(Encyclopedia)Oncken, Hermann hĕrˈmän ôngˈkən [key], 1869–1946, German historian. He taught at the universities of Heidelberg, Munich, Chicago, and (1928–35) Berlin. He was forced to retire because of his...

Marchfeld

(Encyclopedia)Marchfeld märkhˈfĕltˌ [key], plain, NE Austria, NE of Vienna, between the Danube and the Morava (Ger. March) rivers, on the border of Slovakia. A strategic approach to Vienna, it was the site of s...

Klebs, Edwin

(Encyclopedia)Klebs, Edwin klāps [key], 1834–1913, German-American pathologist, b. Prussia. He was an assistant of Rudolf Virchow and professor of pathology at Zürich (1872–92) and from 1896 at Rush Medical C...

Vries, Adriaen de

(Encyclopedia)Vries, Adriaen de äˈdrēän də vrēs [key], c.1560–c.1626, Dutch sculptor. Having studied in Florence under Giovanni Bologna, he carried into Bohemia and Germany the influence of the Italian Rena...

Turkana, Lake

(Encyclopedia)Turkana, Lake, c.2,500 sq mi (6,475 sq km), NW Kenya and SW Ethiopia, E Africa, in the Great Rift Valley; alt. 1,230 ft (375 m). Surrounded by desolate, volcanic mountains, the 170-mi-long (274-km) al...

Marlboro Music Festival

(Encyclopedia)Marlboro Music Festival, chamber music festival held on the campus of Marlboro College, Marlboro, Vt., annually in July and August. Founded in 1951 by Adolf Busch, Rudolf Serkin, and several others an...

Grosz, George

(Encyclopedia)Grosz, George grōs [key], 1893–1959, German-American caricaturist, draughtsman, and painter, b. Berlin. Before and during World War I he contributed drawings on proletarian themes to Illustration a...

Hofstadter, Robert

(Encyclopedia)Hofstadter, Robert, 1915–90, American physicist, b. New York City, Ph.D. Princeton, 1938. He taught at Princeton from 1938 to 1950 and also worked at the National Bureau of Standards during World Wa...

Steffen, Albert

(Encyclopedia)Steffen, Albert älˈbĕrt shtĕfˈən [key], 1884–1963, Swiss novelist, poet, and playwright, who wrote in German. His works are concerned with the martyrdom and redemption of Christ. To Steffen th...