Columbia Encyclopedia

Search results

500 results found

gypsum

(Encyclopedia)gypsum jĭpˈsəm [key], mineral composed of calcium sulfate (calcium, sulfur, and oxygen) with two molecules of water, CaSO4·2H2O. It is the most common sulfate mineral, occurring in many places in ...

Hart, Albert Bushnell

(Encyclopedia)Hart, Albert Bushnell, 1854–1943, American historian, b. Clarksville, Greene co., Pa. He began teaching history at Harvard in 1883, became a full professor in 1897, and from 1910 until his retiremen...

Wise, Stephen Samuel

(Encyclopedia)Wise, Stephen Samuel, 1874–1949, American Reform rabbi and Zionist leader, b. Budapest, grad. College of the City of New York, 1891, Ph.D. Columbia, 1901. He served as a rabbi in New York City (1893...

Maine, state, United States

(Encyclopedia)CE5 Maine, largest of the New England states of the NE United States. It is bordered by New Hampshire (W), the Canadian provinces of Quebec (NW) and New Brunswick (NE), the Bay of Fundy (E), and th...

Allen, Paul Gardner

(Encyclopedia)Allen, Paul Gardner, 1953–2018, American business executive and philanthropist, b. Seattle. He dropped out of Washington State Univ. (1974) and with his friend Bill Gates co-founded (1975) Microsoft...

transcontinental railroad

(Encyclopedia)transcontinental railroad, in U.S. history, rail connection with the Pacific coast. In 1845, Asa Whitney presented to Congress a plan for the federal government to subsidize the building of a railroad...

Oregon, state, United States

(Encyclopedia)CE5 Oregon ŏrˈĭgən, –gŏn [key], state in the Pacific Northwest of the United States. It is bordered by Washington, largely across the Columbia River (N), Idaho, partially across the Snake Ri...

Burlington Northern Santa Fe Railway

(Encyclopedia)Burlington Northern Santa Fe Railway, railroad system in much of the United States (except the Northeast) and in S Canada, created in 1995 from the merger of Burlington Northern Inc. and the Santa Fe ...

Middletown, cities, United States

(Encyclopedia)Middletown. 1 Industrial city (1990 pop. 42,762), Middlesex co., central Conn., on the west bank of the Connecticut River; settled 1650, inc. 1784, town and city consolidated 1923. Its manufactures in...

Rutan, Burt

(Encyclopedia)Rutan, Burt (Elbert Leander Rutan) ro͞oˈtăn [key], 1943–, American aerospace engineer, b. Portland, Oreg., grad. California Polytechnic Univ. (B.S. 1965). From 1965 to 1972 Rutan worked for the U...