Columbia Encyclopedia

(Encyclopedia) White, Stewart Edward, 1873–1946, American author, b. Grand Rapids, Mich., grad. Univ. of Michigan, 1895. The stories collected in The Claim Jumpers (1901) and The Blazed Trail (1902) reflect his ow...

(Encyclopedia) ammonium sulfate, chemical compound, (NH4)2SO4, a colorless-to-gray, rhombohedral crystalline substance that occurs in nature as the mineral mascagnite. It is soluble in water and insoluble in alcohol...

(Encyclopedia) fulminate fŭlˈmĭnāt [key], any salt of fulminic acid, HONC, a highly unstable compound known only in solution. The term is most commonly applied to the explosive mercury (II) fulminate, also calle...

(Encyclopedia) mimic thrush, common name for members of the Mimidae, a family of exclusively American birds, allied to the wrens and thrushes, that includes the mockingbird, the catbird, and the thrashers. Mimic thr...

(Encyclopedia) dogfish, name for a number of small sharks of several different families. Best known are the spiny dogfishes (family Squalidae) and the smooth dogfishes (family Triakidae). Spiny dogfishes have two sp...

(Encyclopedia) Bosporus, University of the, at İstanbul, Turkey; opened 1863 as Robert College, with funds contributed by Christopher R. Robert and other Americans for the higher education of Turkish men. Its name ...

(Encyclopedia) Bank of Sweden Prize in Economic Sciences in Memory of Alfred Nobel ...

(Encyclopedia) Henry I, 1068–1135, king of England (1100–1135), youngest son of William I. He was called Henry Beauclerc because he could write. He quarreled with his elder brothers, William II of England and Ro...

(Encyclopedia) Roger I (Roger Guiscard), c.1031–1101, Norman conqueror of Sicily; son of Tancred de Hauteville (see Normans). He went to Italy in 1058 to join his brother, Robert Guiscard, in conquering Apulia and...

(Encyclopedia) Perceval, Spencer, 1762–1812, British statesman. He had a profitable law practice before he entered the House of Commons as a Tory in 1796. He was solicitor general (1801–2), attorney general (180...