Columbia Encyclopedia

(Encyclopedia) William II or William Rufus ro͞oˈfus [key], d. 1100, king of England (1087–1100), son and successor of William I. He was called William Rufus or William the Red because of his ruddy complexion. Hi...

(Encyclopedia) Edison, Thomas Alva, 1847–1931, American inventor, b. Milan, Ohio. A genius in the practical application of scientific principles, Edison was one of the greatest and most productive inventors of his...

(Encyclopedia) electronics industry, the business of creating, designing, producing, and selling devices such as radios, televisions, stereos, computers, semiconductors, transistors, and integrated circuits (see ele...

(Encyclopedia) Eliot, George, pseud. of Mary Ann or Marian Evans, 1819–80, English novelist, b. Arbury, Warwickshire. One of the great English novelists, she was reared in a strict atmosphere of evangelical Protes...

(Encyclopedia) Rockefeller, John Davison, 1839–1937, American industrialist and philanthropist, b. Richford, N.Y. He moved (1853) with his family to a farm near Cleveland and at age 16 went to work as a bookkeeper...

(Encyclopedia) Cornwall, Barry, pseud. of Bryan Waller Procter, 1787–1874, English author. His sentimental songs were much in vogue during his lifetime. Included among Cornwall's longer works are Dramatic Scenes (...

(Encyclopedia) Dickinson, Emily, 1830–86, American poet, b. Amherst, Mass. She is widely considered one of the greatest poets in American literature. Her unique, gemlike lyrics are distillations of profound feelin...

(Encyclopedia) symbolic logic or mathematical logic, formalized system of deductive logic, employing abstract symbols for the various aspects of natural language. Symbolic logic draws on the concepts and techniques ...

(Encyclopedia) semantics [Gr.,=significant] in general, the study of the relationship between words and meanings. The empirical study of word meanings and sentence meanings in existing languages is a branch of lingu...

(Encyclopedia) Menzel, Donald Howard, 1901–76, American astrophysicist, b. Florence, Colo. From 1926 to 1932 he was with the Lick Observatory in Calif. In 1932 he joined the faculty at Harvard, where he became pro...