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Crittenden, Thomas Theodore

(Encyclopedia)Crittenden, Thomas Theodore, 1832–1909, governor of Missouri (1881–85), b. Shelby co., Ky.; nephew of John J. Crittenden. In the Civil War he served (1862–65) as lieutenant colonel of a Missouri...

Constantine XI, Byzantine emperor

(Encyclopedia)Constantine XI (Constantine Palaeologus), d. 1453, last Byzantine emperor (1449–53), brother and successor of John VIII. To secure Western aid against the Turkish assault on what remained of the emp...

shield, armor

(Encyclopedia)shield, piece of defensive armor, worn on the arm or shoulder to ward off weapons during combat, used prior to the dominance of gunpowder. Originally for individual defense during hand-to-hand combat,...

Barbazan, Arnaud Guillaume, seigneur de

(Encyclopedia)Barbazan, Arnaud Guillaume, seigneur de ärnōˈ gēyōmˈ sānyörˈ də bärbäzäNˈ [key], c.1360–1431, French general in the Hundred Years War. He was called le chevalier sans reproche [the kni...

Voice of America

(Encyclopedia)Voice of America, broadcasting service of the United States Information Agency, est. 1942. Originally set up as a means of fighting the cold war, the Voice of America produces and broadcasts radio pro...

Butler, William Orlando

(Encyclopedia)Butler, William Orlando, 1791–1880, American general and political leader, b. Carrollton, Ky. He served in the War of 1812 and distinguished himself in the battle of New Orleans. He was a Congressma...

Cech, Thomas Robert

(Encyclopedia)Cech, Thomas Robert chĕk [key], 1947–, American microbiologist, b. Chicago, grad. Univ. of California, Berkeley. A professor at the Univ. of Colorado, he discovered that RNA could function as enzym...

Zinkernagel, Rolf Martin

(Encyclopedia)Zinkernagel, Rolf Martin, 1944–, Swiss immunologist, grad. Univ. of Basel (M.D., 1968), Australian National Univ. (Ph.D., 1975). He has been a professor at the Univ. of Zürich since 1979. Zinkernag...

Izmir

(Encyclopedia)Izmir smûrˈnə [key], city, capital of Izmir prov., W Turkey, on the Gulf of Izmir, an arm ...

water supply

(Encyclopedia)water supply, process or activity by which water is provided for some use, e.g., to a home, factory, or business. The term may also refer to the supply of water provided in this way. In the United Sta...