Columbia Encyclopedia

Search results

500 results found

Brattain, Walter Houser

(Encyclopedia)Brattain, Walter Houser, 1902–87, American physicist, b. Xiamen, China, Ph.D. Univ. of Minnesota, 1929. He was a researcher at Bell Laboratories in Murray Hill, N.J. from 1929 to 1967. He then taugh...

Cuyuna

(Encyclopedia)Cuyuna, range in Minnesota: see Mesabi. ...

Agriculture, United States Department of

(Encyclopedia)Agriculture, United States Department of, federal executive department established in 1862, whose head was made a cabinet member in 1889. The department administers federal programs related to food pr...

Long, Stephen Harriman

(Encyclopedia)Long, Stephen Harriman, 1784–1864, American explorer, b. Hopkinton, N.H. As an army engineer, Long was sent on several exploring and surveying expeditions. The first in 1817 was to the region of the...

Saint Joseph, cities, United States

(Encyclopedia)Saint Joseph sānt jōˈzəf [key]. 1 City (1990 pop. 9,214), seat of Berrien co., SW Mich., a port on Lake Michigan at the mouth of the St. Joseph River across from Benton Harbor; inc. 1834. Located ...

Jamestown, cities, United States

(Encyclopedia)Jamestown. 1 City (1990 pop. 34,681), Chautauqua co., W N.Y., on Chautauqua Lake; founded c.1806, inc. as a city 1886. It is the business and financial center of a dairy, livestock, and vineyard area....

hematite

(Encyclopedia)hematite hĕmˈətīt [key], mineral, an oxide of iron, Fe2O3, containing about 70% metal, occurring in nature in red to reddish-brown earthy masses and in steel-gray to black crystalline forms. Hemat...

Homeland Security, United States Department of

(Encyclopedia)Homeland Security, United States Department of (DHS), executive department of the federal government charged with protecting the security of the American homeland as its main responsibility. Its prima...

Browse by Subject