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National Aeronautics and Space Administration

(Encyclopedia)National Aeronautics and Space Administration (NASA), civilian agency of the U.S. federal government with the mission of conducting research and developing operational programs in the areas of space e...

Pius XII

(Encyclopedia)Pius XII, 1876–1958, pope (1939–58), an Italian named Eugenio Pacelli, b. Rome; successor of Pius XI. Ordained a priest in 1899, he entered the Vatican's secretariat of state. He became (1912) und...

Boas, Franz

(Encyclopedia)Boas, Franz bōˈăz, –ăs [key], 1858–1942, German-American anthropologist, b. Minden, Germany, Ph.D. Univ. of Kiel, 1881. He joined an expedition to Baffin Island in 1883 and initiated his field...

cryptography

(Encyclopedia)cryptography krĭptŏgˈrəfē [key] [Gr.,=hidden writing], science of secret writing. There are many devices by which a message can be concealed from the casual reader, e.g., invisible writing, but t...

Opéra

(Encyclopedia)Opéra ôpāräˈ [key] (Académie de musique), former chief opera house of Paris, on the Place de l'Opéra, one of the main crossroads on the right bank of the Seine. Designed by J. L. C. Garnier and...

Philip IV, king of Spain, Naples, and Sicily

(Encyclopedia)Philip IV, 1605–65, king of Spain, Naples, and Sicily (1621–65) and, as Philip III, king of Portugal (1621–40); son and successor of Philip III of Spain. Philip IV was intelligent but lacked int...

Stuart, James Francis Edward

(Encyclopedia)Stuart or Stewart, James Francis Edward, 1688–1766, claimant to the British throne, son of James II and Mary of Modena; called the Old Pretender. His birth, falsely rumored by Whigs at the time to b...

Broglie

(Encyclopedia)Broglie brôˈyə, brôglēˈ [key], French noble family of Piedmontese origin, who settled in France in the 17th cent. Victor Maurice, comte de Broglie, 1647–1727, was marshal of France and fought ...

Allen, Ethan

(Encyclopedia)Allen, Ethan, 1738–89, hero of the American Revolution, leader of the Green Mountain Boys, and promoter of the independence and statehood of Vermont, b. Litchfield (?), Conn. He had some schooling a...

Wilkinson, James

(Encyclopedia)Wilkinson, James, 1757–1825, American general and one of the most corrupt and devious officers in the nation's early army, b. Calvert co., Md. Abandoning his medical studies in 1776 to join the army...