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Hadley, John

(Encyclopedia)Hadley, John, 1682–1744, English instrument maker. An optician by trade, Hadley built reflecting telescopes, based on Newton's model, that had greater resolution than the cumbersome refractors then ...

Garnier, Marie Joseph François

(Encyclopedia)Garnier, Marie Joseph François gärnyāˈ [key], 1839–73, French explorer and naval officer, usually known as Francis Garnier. He served (1860–62) against Annam and China, then in the administra...

Bao Dai

(Encyclopedia)Bao Dai bou dī [key], 1913–97, emperor of Annam (1926–45) and chief of state of Vietnam (1949–55). Born Prince Nguyen Vinh Thuy, he was the son of Emperor Khai Din and succeeded to the throne i...

Hell, Stefan Walter

(Encyclopedia)Hell, Stefan Walter, 1962–, German physicist, Ph.D. Heidelberg Univ., 1990. Hell worked at the European Molecular Biology Laboratory in Heidelberg (1991–93) and at the Univ. of Turku in Finland (1...

reconnaissance satellite

(Encyclopedia)reconnaissance satellite, artificial satellite launched by a country to provide intelligence information on the military activities of foreign countries. There are four major types. Early-warning sate...

Vietnam

(Encyclopedia)CE5 Vietnam vēĕtˈnäm [key], officially Socialist Republic of Vietnam, republic (2015 est. pop. 93,572,000), 128,400 sq mi (332,642 sq km), Southeast Asia. Occupying the eastern coastline of the...

Johnson, Lyndon Baines

(Encyclopedia)Johnson, Lyndon Baines, 1908–73, 36th President of the United States (1963–69), b. near Stonewall, Tex. Johnson lost the 1960 Democratic presidential nomination to John F. Kennedy, but accepte...

photostat

(Encyclopedia)photostat fōˈtəstătˌ [key], reproduction of any printed or simple black-and-white material, such as drawings or manuscripts, made by the Photostat, a photographic camera. While slower and more ex...

Ferry, Jules

(Encyclopedia)Ferry, Jules zhül fĕrēˈ [key], 1832–93, French statesman. A member of the government of national defense established after the defeat of Emperor Napoleon III in the Franco-Prussian War (1870–7...

Mobile Bay

(Encyclopedia)Mobile Bay, arm of the Gulf of Mexico, SW Ala., from 8 to 18 mi (12.9–29 km) wide, extending c.35 mi (56 km) from the Gulf to the mouth of the Mobile River. A ship channel connects Mobile Bay with t...