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Tempe

(Encyclopedia)Tempe tĕmˈpē [key], city (1990 pop. 141,865), Maricopa co., S Ariz., in the Salt River valley, a suburb of Phoenix; inc. 1894. Its population has grown markedly since the 1970s with the expansion o...

Scottsdale

(Encyclopedia)Scottsdale, city (1990 pop. 130,069), Maricopa co., central Ariz.; settled in 1895 by Winfield Scott, inc. 1951. It is a resort and retirement center in the Phoenix metropolitan area. Manufacturing in...

Ségou

(Encyclopedia)Ségou or Segu both: sāgo͞oˈ [key], town (1993 est. pop. 85,000), SW Mali, a port on the Niger River. It is the administrative and commercial center for an area where cotton, rice, millet, and pean...

Segrè, Emilio

(Encyclopedia)Segrè, Emilio, 1905–89, Italian-American physicist, Ph.D. Univ. of Rome, 1928. Segrè was a professor at the Univ. of Rome (1932–36), a researcher at the Univ. of California, Berkeley (1936–43)...

Sevan

(Encyclopedia)Sevan syĭvänˈ [key], lake, c.540 sq mi (1,400 sq km), NE Armenia, at an altitude of 6,280 ft (1,914 m); it is 324 ft (99 m) deep. The largest lake of the Caucasus, it is fed by some 30 streams, but...

Shepard, Alan Bartlett, Jr.

(Encyclopedia)Shepard, Alan Bartlett, Jr., 1923–98, American astronaut, b. East Derry, N.H., grad. Annapolis, 1944. He served on a destroyer during World War II and later had extensive experience as a test pilot....

Goethals, George Washington

(Encyclopedia)Goethals, George Washington gōˈthəlz [key], 1858–1928, U.S. army engineer, b. Brooklyn, N.Y., grad. West Point, 1880. After serving on various inland water projects, he was appointed chief engine...

Diggers

(Encyclopedia)Diggers, members of a small English religio-economic movement (fl. 1649–50), so called because they attempted to dig (i.e., cultivate) the wastelands. They were an offshoot of the more important gro...

Darién Scheme

(Encyclopedia)Darién Scheme, Scottish project to establish a colony on the Isthmus of Panama (Darién). In 1695, the Scottish Parliament passed an act that chartered a company for trading with Africa and the Indie...

Tu Youyou

(Encyclopedia)Tu Youyou, 1930–, Chinese pharmaceutical chemist, B.S. Peking Univ. School of Medicine, 1955. Tu has spent her entire career as a researcher at the China Academy of Traditional Chinese Medicine in B...