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Waltrip, Darrell

(Encyclopedia)Waltrip, Darrell, 1947–, American auto racing driver, b. Owensboro, Ky. Waltrip drove on the National Association for Stock Car Auto Racing circuit from 1972 to 2000, winning 84 Cup Series races. Ni...

Kilby, Jack St. Clair

(Encyclopedia)Kilby, Jack St. Clair, 1923–2005, American electrical engineer, b. Jefferson City, Mo., B.S. Univ. of Illinois, 1947, M.S. Univ. of Wisconsin, 1950. In 1958, Kilby began working for Texas Instrument...

Fleming, Sir John Ambrose

(Encyclopedia)Fleming, Sir John Ambrose, 1849–1945, English electrical engineer. He was a leader in the development of electric lighting, the telephone, and wireless telegraphy in England and the inventor of a th...

Redmond

(Encyclopedia)Redmond, city (1990 pop. 35,800), King co., W Wash., a suburb of Seattle, on Lake Sammamish; inc. 1912. Its economy centers around computer software (Microsoft Corp. is located there); research and de...

Gramme, Zénobe-Théophile

(Encyclopedia)Gramme, Zénobe-Théophile zānôbˈ tāôfēlˈ gräm [key], 1826–1901, Belgian electrical engineer. While working as a model maker for a Parisian manufacturer of electrical devices, Gramme became ...

Johnson, Cave

(Encyclopedia)Johnson, Cave, 1793–1866, American political leader, b. Robertson co., Tenn. He practiced law in his native state and served (1829–37, 1839–45) in the U.S. House of Representatives. Johnson gave...

Whittaker, Charles Evans

(Encyclopedia)Whittaker, Charles Evans, 1901–73, associate justice of the U.S. Supreme Court (1957–62), b. Troy, Kans. He received his law degree from the Univ. of Kansas City in 1924 and practiced law for many...

Stewart, Potter

(Encyclopedia)Stewart, Potter, 1915–85, associate justice of the U.S. Supreme Court (1958–81), b. Jackson, Mich. After receiving (1941) his law degree from Yale, he was admitted to the Ohio bar. He later practi...

thyristor

(Encyclopedia)thyristor, semiconductor switch used chiefly in power-control applications. Also called a silicon-controlled rectifier (SCR; see rectifier), it is a variation of the transistor. A thyristor is capable...

Cartwright, Peter

(Encyclopedia)Cartwright, Peter, 1785–1872, American Methodist preacher, b. Virginia. He was a circuit rider in Kentucky, Tennessee, Indiana, Ohio, and Illinois for nearly 50 years. In 1846 he was defeated as a c...