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Welch, Jack

(Encyclopedia)Welch, Jack (John Francis Welch, Jr.), 1935–2020, American business executive, b. Salem, Mass., grad. Univ. of Massachusetts (1957); Univ. of Illinois (M.S., 1958; Ph.D., chemical engineering, 1960)...

Waters, Ethel

(Encyclopedia)Waters, Ethel, 1896?–1977, African-American singer and actress, b. Chester, Pa. As a singer, she is noted for her sultry, sophisticated, and dramatic version of the blues, evinced in her interpretat...

Bel Geddes, Norman

(Encyclopedia)Bel Geddes, Norman gĕdˈēz [key], 1893–1958, American designer, b. Adrian, Mich. as Norman Melancton Geddes. He began his career in 1918 as a scene designer for the Metropolitan Opera. He became k...

Wouk, Herman

(Encyclopedia)Wouk, Herman wōk [key], 1915–2019, American writer, b. New York City. In The Caine Mutiny (1951; Pulitzer Prize), he made the protagonist-antagonist Captain Queeg a popular symbol of uncontrolled a...

Bergman, Ingrid

(Encyclopedia)Bergman, Ingrid bûrgˈmən [key], 1915–82, Swedish actress, b. Stockholm. Specializing in portrayals of strong, dignified, and sophisticated women, Bergman was acclaimed for her performance in Joan...

Schulz, Charles M.

(Encyclopedia)Schulz, Charles M. (Charles Monroe Schulz), 1922–2000, American cartoonist, b. Minneapolis, Minn. Creator of the syndicated comic strip Peanuts (1950–2000), one of the world's most popular example...

Rogers, Roy

(Encyclopedia)Rogers, Roy, 1911–98, American Western film star, b. Cincinnati, Ohio, as Leonard Franklin Slye. The guitar-strumming Rogers succeeded Gene Autry as America's favorite singing cowboy in movies of th...

Roach, Hal

(Encyclopedia)Roach, Hal (Harold Eugene Roach, Sr.), 1892–1992, American move producer and director, b. Elmira, N.Y. He entered (1912) the motion-picture industry as an extra, and by 1914 had founded a production...

electron tube

(Encyclopedia)CE5 Triode electron tube electron tube, device consisting of a sealed enclosure in which electrons flow between electrodes separated either by a vacuum (in a vacuum tube) or by an ionized gas at l...

diode

(Encyclopedia)diode dīˈōd [key], two-terminal electronic device that permits current flow predominantly in only one direction. Most diodes are semiconductor devices; diode electron tubes are now used only for a ...