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1907–, English aeronautical engineer. Whittle was one of the first men to associate the gas turbine with jet propulsion. Previously the gas turbine ...
(pr ks t´ l z) (KEY) , fl. c.370–c.330 B.C., famous Attic sculptor, probably the son of Cephisodotus. His Hermes with the Infant Dionysus, found in...
1860–1930, American rabbi, b. Cincinnati. He was a rabbi at Dallas, Tex. (1884–85), at Galveston (1885–88), and at the Temple Emanu-El, New York...
mineral spring, N central Fla., source of the Silver River. The limestone spring, one of the world’s largest and most famous, has a basin 80 ft (24 ...
(t m´bô) (KEY) , 1906–97, American astronomer, b. Streator, Ill. Although lacking formal training or a college degree, he was hired in 1929 as an ...
fl. 2d cent. B.C., Greek astronomer, b. Nicaea, Bithynia. He is the first systematic astronomer of whom there are records. He made his observations ch...