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Rubin, Vera

(Encyclopedia)Rubin, Vera, 1928–2016, American astronomer, b. Philadelphia as Vera Florence Cooper, Ph.D. Georgetown (1954). After teaching at Georgetown, she joined (1965) the Carnegie Institution's department o...

ore

(Encyclopedia)ore, metal-bearing mineral mass that can be profitably mined. Nearly all rock deposits contain some metallic minerals, but in many cases the concentration of metal is too low to justify mining the ore...

Donelson, Andrew Jackson

(Encyclopedia)Donelson, Andrew Jackson dŏnˈəlsən [key], 1799–1871, American politician, b. Cumberland region of Tennessee. He was brought up at the Hermitage by his uncle, Andrew Jackson. After graduating fro...

Exeter

(Encyclopedia)Exeter. 1 City (2020 pop. 10,439), Tulare co., S central Calif.; inc. 1911. The town is an agricultural center in the San Joaquin valley. In Oct. ...

Gulick, Luther Halsey, 1865–1918, American pioneer in physical education

(Encyclopedia)Gulick, Luther Halsey gyo͞oˈlĭk [key], 1865–1918, American pioneer in physical education, b. Honolulu, of American missionary parents. He studied at Oberlin College, Sargent School of Physical Tr...

Jackson, Claiborne Fox

(Encyclopedia)Jackson, Claiborne Fox, 1806–62, governor of Missouri, b. Fleming co., Ky. In 1822 he moved to Missouri, where he practiced law. Speaker of the state legislature (1844–46), he later was a leader o...

jay

(Encyclopedia)jay, common name for a number of birds of the family Corvidae (crows and jays), found in Europe, Asia, and the Americas. The best-known representatives in America are the blue jay, Cyanocitta cristata...

Korematsu, Fred Toyosaburo

(Encyclopedia)Korematsu, Fred Toyosaburo, 1919–2005, Japanese-American internment protester, b. Oakland, Calif. He was a shipyard welder when, after the Japanese raid on Pearl Harbor in 1942, President F. D. Roos...

Bean, Roy

(Encyclopedia)Bean, Roy, c.1825–1903, legendary American frontier judge, b. Mason co., Ky. He left Kentucky in 1847 to seek his fortune in California. Soon, however, he was managing a trading post in Chihuahua, M...

Durham, city, United States

(Encyclopedia)Durham dûrˈăm [key], city (2020 pop. 324,833), seat of Durham co., N central N.C., in the ...