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Leadville

(Encyclopedia) LeadvilleLeadvillelĕdˈvĭl [key], mining city (1990 pop. 2,629), alt. c.10,200 ft (3,110 m), seat of Lake co., central Colo., near the headwaters of the Arkansas River, in the Rocky Mts…

Müller, Karl Alexander

(Encyclopedia) Müller, Karl Alexander, 1927–, Swiss physicist, Ph.D. Swiss Federal Institute of Technology, 1958. In 1983, Müller and co-researcher Johannes Georg Bednorz discovered superconductivity…

Red Deer, city, Canada

(Encyclopedia) Red Deer, city (1991 pop. 58,134), S central Alta., Canada, on the Red Deer River. It developed as a trade and service center for a region of dairying and mixed farming. The discovery…

Pampa

(Encyclopedia) PampaPampapămˈpə [key], city (1990 pop. 19,959), seat of Gray co., extreme N Tex. This cow town on the Panhandle plains still ships cattle and wheat and packs meat, but the discovery…

Snell, Willebrord

(Encyclopedia) Snell or Snellius, WillebrordSnell or Snellius, Willebrordvĭlˈəbrôrt snĕl, snĕlēəs [key], 1591–1626, Dutch mathematician. He is generally credited with the discovery (1621) of the law…

Gray, Stephen

(Encyclopedia) Gray, Stephen, 1666–1736, English physicist. Gray, a dyer by trade, cultivated science as a hobby. In 1696 he published an account of a magnifying glass that interested the Royal…

Grande Prairie

(Encyclopedia) Grande Prairie Grande Prairie Fr. gräNd prâˌrēˈ [key], city, W Alta., Canada, NW of Edmonton. It is the…

Tonegawa, Susumu

(Encyclopedia) Tonegawa, Susumu, 1939–, Japanese molecular biologist, Ph.D. Univ. of California at San Diego, 1969. A member of the Basel Institute for Immunology in Switzerland (1971–81), he became…

Duncan, Robert Kennedy

(Encyclopedia) Duncan, Robert Kennedy, 1868–1914, American industrial chemist and educator b. Brantford, Ont., grad. Univ. of Toronto (B.A., 1892). He was professor at the Univ. of Kansas (1906–10)…

Barkla, Charles Glover

(Encyclopedia) Barkla, Charles GloverBarkla, Charles Gloverglŭˈvər bärˈklə [key], 1877–1944, English physicist. He was professor of natural philosophy at Edinburgh from 1913. For his discovery of the…