Columbia Encyclopedia

(Encyclopedia) complex variable analysis, branch of mathematics that deals with the calculus of functions of a complex variable, i.e., a variable of the form z=x+iy, where x and y are real and i=−1 (see number). A...

(Encyclopedia) Daley, Richard Joseph, 1902–76, U.S. political leader, b. Chicago. Admitted to the bar in 1933, he entered politics and served as a Democrat in the state assembly (1936–38) and the state senate (1...

(Encyclopedia) Bellow, Saul, 1915–2005, American novelist, b. Lachine, Que., as Solomon Bellow, grad. Northwestern Univ., 1937. Born of Russian-Jewish parents, he grew up in the slums of Montreal and Chicago, and ...

(Encyclopedia) Rodgers, Richard Charles, 1902–79, American composer, b. New York City. Rodgers studied at Columbia and the Institute of Musical Art, New York City. He met both of his future collaborators, Lorenz H...

(Encyclopedia) Pompeii pŏmpāˈ, Ital. pōmpĕˈē [key], ancient city of S Italy, a port near Naples and at the foot of Mt. Vesuvius. Possibly an old Oscan settlement, it was a Samnite city for centuries before it...

(Encyclopedia) fullerene, any of a class of carbon molecules in which the carbon atoms are arranged into 12 pentagonal faces and 2 or more hexagonal faces to form a hollow sphere, cylinder, or similar figure. The sm...

(Encyclopedia) Webster, Daniel, 1782–1852, American statesman, lawyer, and orator, b. Salisbury (now in Franklin), N.H. As a U.S. Senator from Massachusetts (1827–41), he became a leading political figure of t...

(Encyclopedia) Pepys, Samuel pēps [key], 1633–1703, English public official, and celebrated diarist, b. London, grad. Magdalene College, Cambridge, 1653. In 1656 he entered the service of a relative, Sir Edward M...

(Encyclopedia) Petra pēˈtrə [key], ancient city, in present-day Jordan, known to the Arabs as Wadi Musa for the stream that flows through it. A narrow, winding pass between towering walls leads to the flat, open ...

(Encyclopedia) Orwell, George, pseud. of Eric Arthur Blair, 1903–50, British novelist and essayist, b. Bengal, India. He is best remembered for his scathingly satirical and frighteningly political novels, Animal F...