Columbia Encyclopedia

(Encyclopedia) string theory, description of elementary particles based on one-dimensional curves, or “strings,” instead of point particles. Superstring theory, which is string theory that contains a kind of sym...

(Encyclopedia) Urdu o͞orˈdo͞o [key], language belonging to the Indic group of the Indo-Iranian subfamily of the Indo-European family of languages. The official tongue of Pakistan, Urdu is also one of the 15 langu...

(Encyclopedia) Robinson, John, 1576?–1625, English nonconformist pastor of the Pilgrim Fathers in Holland. In 1592 he entered Cambridge; in 1597 he received a fellowship and was ordained. Soon thereafter he became...

(Encyclopedia) Fukuyama, Francis, 1952–, American political scientist, b. Chicago, grad. Cornell (B.A., 1974), Harvard (Ph.D., 1981). He has been a political scientist at the RAND Corporation (1979–80, 1983–89...

(Encyclopedia) Davis, Jefferson, 1808–89, American statesman, President of the Southern Confederacy, b. Fairview, near Elkton, Ky. His birthday was June 3. Davis took little part in the secession movement until ...

(Encyclopedia) Adams, John Quincy, 1767–1848, 6th President of the United States (1825–29), b. Quincy (then in Braintree), Mass.; son of John Adams and Abigail Adams and father of Charles Francis Adams (1807–8...

(Encyclopedia) Baraka, Amiri amērē bəräˈkə [key], 1934–2014, American poet, playwright, and political activist, b. Newark, N.J., as Everett LeRoy Jones, studied at Rutgers Univ., Howard Univ. In college he a...

(Encyclopedia) Ch'in chĭn [key], dynasty of China, which ruled from 221 b.c. to 206 b.c. The word China is derived from Ch'in, the first dynasty to unify the country by conquering the warring feudal states of the l...

(Encyclopedia) mummy, dead human or animal body preserved by embalming or by unusual natural conditions. As a rule mummies are from ancient times. The word is of Arabic derivation and refers primarily to the burials...

(Encyclopedia) liberal arts, term originally used to designate the arts or studies suited to freemen. It was applied in the Middle Ages to seven branches of learning, the trivium of grammar, logic, and rhetoric, and...