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Cedar Rapids

(Encyclopedia)Cedar Rapids, city (2020 pop. 137,710), seat of Linn co., E central Iowa, on the Cedar River; inc. as a city 1856. The second largest city in Iowa, it i...

radiometer

(Encyclopedia)radiometer rāˌdēŏmˈətər [key], instrument for detection or measurement of electromagnetic radiation; the term is applied in particular to devices used to measure infrared radiation. One of the ...

World's Columbian Exposition

(Encyclopedia)World's Columbian Exposition, held at Chicago, May–Nov., 1893, in commemoration of the 400th anniversary of the discovery of America by Christopher Columbus. Authorized (1890) by Congress, it was pl...

Sall, Macky

(Encyclopedia)Sall, Macky, Senegalese political leader. Trained as a geologist, he graduated from Dakar's Cheikh Anta Diop Univ. and also studied in France. A protégé of President Abdoulaye Wade and a member of t...

Rickover, Hyman George

(Encyclopedia)Rickover, Hyman George, 1900–1986, American admiral, b. Russia. In World War II he served as head of the electrical section of the navy's Bureau of Ships. After the war he was assigned (1946) to the...

Miliband, Ed

(Encyclopedia)Miliband, Ed (Edward Samuel Miliband), 1969–, British political leader, b. London, grad. Oxford, London School of Economics. A member of the Labour party and a close associate of Gordon Brown, the c...

Peebles, Phillip James Edwin

(Encyclopedia)Peebles, Phillip James Edwin, 1935–, Canadian-American astrophysicist and cosmologist, b. Winnipeg, Man., Ph.D. Princeton, 1962. He spent his entire career as a researcher at Princeton, becoming a f...

Babcock, Stephen Moulton

(Encyclopedia)Babcock, Stephen Moulton mōlˈtən băbˈkŏk [key], 1843–1931, American agricultural chemist, b. Bridgewater, N.Y., grad. Tufts College (B.A., 1866), Univ. of Göttingen, Germany (Ph.D., 1879). He...

Reynolds, Albert

(Encyclopedia)Reynolds, Albert, 1935–2014, Irish political leader. A successful business executive, Reynolds won (1977) a seat in the Irish parliament as a member of the Fianna Fáil party. He was minister of pos...

Ramsey, Norman Foster, Jr.

(Encyclopedia)Ramsey, Norman Foster, Jr., 1915–2011, American physicist, b. Washington, D.C., Ph.D. Columbia, 1940. A member of the faculty at Harvard from 1947 and the Higgins professor of physics from 1966 (eme...