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Siegbahn, Karl Manne Georg

(Encyclopedia) Siegbahn, Karl Manne Georg, 1886–1978, Swedish physicist. In 1913, he began a series of experiments that led to the discovery of the M series of X rays and demonstrated the shell…

Dęblin

(Encyclopedia) Dęblin Dęblin dĕNˈblēn [key], city, Lubelskie prov., E Poland, on the Vistula River. It is a…

Biddle, Nicholas, American naval officer

(Encyclopedia) Biddle, Nicholas, 1750–78, American naval officer, b. Philadelphia. Biddle left the British navy in 1773. In the American Revolution he became captain in the patriot navy and daringly…

Vejle

(Encyclopedia) VejleVejlevīˈlə [key], city (1992 pop. 46,074), capital of Vejle co., central Denmark, a seaport at the head of the Vejle Fjord. It is a commercial and industrial center and a rail…

Szigetvár

(Encyclopedia) SzigetvárSzigetvársĭˈgĕtvär [key], town (1991 est. pop. 12,280), SW Hungary. A medieval fortress, it was defended in 1566 by Nicholas Zrinyi against the Ottoman sultan Sulayman I, who…

Decembrists

(Encyclopedia) DecembristsDecembristsdĭsĕmˈbrĭsts [key], in Russian history, members of secret revolutionary societies whose activities led to the uprising of Dec., 1825, against Czar Nicholas I.…

Laue, Max von

(Encyclopedia) Laue, Max vonLaue, Max vonmäks fən louˈə [key], 1879–1960, German physicist, studied under Max Planck. From 1919 he was professor of theoretical physics at the Univ. of Berlin. He…

California Institute of Technology

(Encyclopedia) California Institute of Technology, at Pasadena, Calif.; originally for men, became coeducational in 1970; founded 1891 as Throop Polytechnic Institute; called Throop College of…

Crab Nebula

(Encyclopedia) Crab Nebula, diffuse gaseous nebula in the constellation Taurus; cataloged as NGC 1952 and M1, the first object recorded in Charles Messier's catalog of nonstellar objects (see Messier…

Richter, Hans

(Encyclopedia) Richter, HansRichter, Hanshäns [key]Richter, Hans rĭkhˈtər [key], 1888–1976, American artist, b. Germany. A painter and filmmaker, Richter was influenced by cubism and Dada and was a…