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Clark, Alvan

(Encyclopedia) Clark, Alvan, 1804–87, American astronomer and maker of astronomical lenses, b. Ashfield, Mass. In 1846 the firm of Alvan Clark & Sons was established at Cambridgeport, Mass.; it…

Church of the Nazarene

(Encyclopedia) Church of the NazareneChurch of the Nazarenenăzˌərēnˈ [key], U.S. Protestant denomination established in 1908 through the union of the Church of the Nazarene, based in California; the…

All-American Canal

(Encyclopedia) All-American Canal, 80 mi (129 km) long, SE Calif.; part of the federal irrigation system of the Hoover Dam. Built between 1934 and 1940 across the Colorado Desert, the canal is…

Burbidge, Margaret

(Encyclopedia) Burbidge, Margaret, 1925–2020, Anglo-American astronomer, b. England as Eleanor Margaret Peachey. Burbidge; her husband, Geoffrey Burbidge; William Fowler; and Sir Fred Hoyle showed (…

Villaraigosa, Antonio

(Encyclopedia) Villaraigosa, AntonioVillaraigosa, Antoniovēˌyärīgōˈsä [key], 1953–, American politician, b. Los Angeles as Antonio Villar; he changed his name in 1987 when he married Corina Raigosa.…

Cech, Thomas Robert

(Encyclopedia) Cech, Thomas RobertCech, Thomas Robertchĕk [key], 1947–, American microbiologist, b. Chicago, grad. Univ. of California, Berkeley. A professor at the Univ. of Colorado, he discovered…

Bierstadt, Albert

(Encyclopedia) Bierstadt, AlbertBierstadt, Albertbērˈstät [key], 1830–1902, American painter of Western scenery, b. Germany. After traveling and sketching throughout the mountains of Europe, he…

Miocene epoch

(Encyclopedia) Miocene epochMiocene epochmīˈəsēn [key], fourth epoch of the Tertiary period in the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table), lasting from…