Columbia Encyclopedia

Search results

348 results found

Kirkwood gaps

(Encyclopedia)Kirkwood gaps, regions in the asteroid belt within which few asteroids are found. Astronomer Daniel Kirkwood first observed (1886) that few asteroids had an orbital period close to 1⁄2, 1⁄3, or 2�...

Smith, Hamilton Othanel

(Encyclopedia)Smith, Hamilton Othanel, 1931–, American biologist, b. New York City, M.D. Johns Hopkins, 1956. A professor at the Univ. of Michigan and Johns Hopkins, Smith worked with Daniel Nathans and Werner Ar...

Webster

(Encyclopedia)Webster, town (1990 pop. 16,196), Worcester co., S Mass., near the Conn. line; settled c.1713, set off from Dudley and Oxford and inc. 1832. The chief manufactures are clothing, lenses, fabrics, and t...

Selkirk, Alexander

(Encyclopedia)Selkirk, Alexander sĕlˈkərk [key], 1676–1721, Scottish sailor whose adventures suggested to Daniel Defoe the story of Robinson Crusoe (1719). In 1704, as a sailing master, Selkirk quarreled with ...

Gruenberg, Louis

(Encyclopedia)Gruenberg, Louis gro͞oˈənbûrg [key], 1884–1964, American composer, b. Russia; pupil of Busoni. After concert tours as a pianist in Europe and America, he settled in the United States as a compos...

Waterloo, city, United States

(Encyclopedia)Waterloo, city (1990 pop. 66,467), seat of Black Hawk co., NE Iowa, on the Cedar River; inc. 1868. Originally a center for sawmills and flour mills, Waterloo is a trade and industrial center in a farm...

Choate, Rufus

(Encyclopedia)Choate, Rufus chōt [key], 1799–1859, American lawyer and Congressman, b. Essex co., Mass.; uncle of Joseph Hodges Choate. Admitted to the bar in 1823, Rufus Choate gained national reputation as a l...

Islington

(Encyclopedia)Islington ĭzˈlĭngtən [key], inner borough of Greater London, SE England. Islington, in the ...

Arber, Werner

(Encyclopedia)Arber, Werner vĕrˈnər ärˈbər [key], 1929–, Swiss microbiologist. A professor at the Univ. of Geneva (1960–70) and later at the Univ. of Basel (1971–), Arber worked with Daniel Nathans and ...

Manicouagan Reservoir

(Encyclopedia)Manicouagan Reservoir mănĭkwägˈən [key], annular artifical lake, 750 sq mi (1,942 sq km), SE Que., Canada, in a heavily forested area of the Canadian Shield. It has a maximum depth of 1,150 ft (3...