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Cech, Thomas Robert

(Encyclopedia)Cech, Thomas Robert chĕk [key], 1947–, American microbiologist, b. Chicago, grad. Univ. of California, Berkeley. A professor at the Univ. of Colorado, he discovered that RNA could function as enzym...

Rotblat, Sir Joseph

(Encyclopedia)Rotblat, Sir Joseph, 1908–2005, British physicist and anti-nuclear weapons activist, b. Warsaw, Poland; grad. Free Univ. of Poland (M.A., 1932), Univ. of Warsaw (Ph.D., 1938), Univ. of Liverpool (Ph...

Ann Arbor

(Encyclopedia)Ann Arbor, city (2020 pop. 123,851), seat of Washtenaw co., S Mich., on the Huron River; inc. 1851. It is a research and educational center, with a large number of government and industria...

Riis, Jacob August

(Encyclopedia)Riis, Jacob August rēs [key], 1849–1914, Danish-American journalist, photographer, and social reformer, b. Denmark. He immigrated to the United States in 1870. In 1877 he became a police reporter f...

freethinkers

(Encyclopedia)freethinkers, those who arrive at conclusions, particularly in questions of religion, by employing the rules of reason while rejecting supernatural authority or ecclesiastical tradition. The freethink...

Ely, Richard Theodore

(Encyclopedia)Ely, Richard Theodore ēˈlē [key], 1854–1943, American economist, b. Ripley, N.Y., grad. Columbia, 1876, Ph.D. Heidelberg, 1879. He taught at Johns Hopkins (1881–92), the Univ. of Wisconsin (189...

Height, Dorothy Irene

(Encyclopedia)Height, Dorothy Irene, 1912–2010, American civil-rights leader, b. Richmond, Va., grad. New York Univ. (B.A. 1933, M.A. 1935). A leader of the African-American and women's rights movements, she bega...

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