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Brazelton, T. Berry

(Encyclopedia)Brazelton, T. Berry (Thomas Berry Brazelton Jr.), 1918–2018, American pediatrician and author, b. Waco, Tex., grad. Princeton, 1940, College of Physicians and Surgeons, Columbia 1943. Brazelton was ...

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...

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)...

Hearst, William Randolph

(Encyclopedia)Hearst, William Randolph, 1863–1951, American journalist and publisher, b. San Francisco. A flamboyant, highly controversial figure, Hearst was nonetheless an intelligent and extremely competent new...

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 ...

puppet

(Encyclopedia)puppet, human or animal figure, generally of a small size and performing on a miniature stage, manipulated by an unseen operator who usually speaks the dialogue. A distinction is made between marionet...

Bergman, Ingmar

(Encyclopedia)Bergman, Ingmar (Ernst Ingmar Bergman) ĕrnst ĭngˈmär bĕrˈyəmän [key], 1918–2007, Swedish film and stage writer, director, and producer. Acclaimed by many as the greatest director of the seco...

copyright

(Encyclopedia)copyright, right granted by statute to the author or originator of certain literary, artistic, and musical productions whereby for a limited period of time he or she controls the use of the product. T...

radio

(Encyclopedia)CE5 A. AM transmitter B. AM receiver radio, transmission or reception of electromagnetic radiation in the radio frequency range. The term is commonly applied also to the equipment used, especially...