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Banneker, Benjamin

(Encyclopedia)Banneker, Benjamin, 1731–1806, African-American inventor, astronomer, and mathematician, b. Baltimore co., Md., at what is now Ellicott's Mills. A free black, Banneker was essentially self-taught. H...

New Albany

(Encyclopedia)New Albany, city (1990 pop. 36,322), seat of Floyd co., S Ind., near the falls of the Ohio River opposite Louisville, Ky.; inc. 1819. The city was a shipbuilding center in the 19th cent., and the rive...

Ganesa

(Encyclopedia)Ganesa gənāˈsə [key], b. 1507, d. after 1564, Indian astronomer. As a boy of 13 in a village N of Mumbai, Ganesa wrote a treatise on astronomy, the Grahalaghava, which has often been reprinted and...

omen

(Encyclopedia)omen, sign or augury believed to foreshadow the future. Almost any occurrence can be interpreted as an omen. The typical omen was a natural phenomenon, such as a meteor, an eclipse, or the flight of b...

Secchi, Pietro Angelo

(Encyclopedia)Secchi, Pietro Angelo pyĕˈtrō änˈjālō sĕkˈkē [key], 1818–78, Italian astronomer, a Jesuit priest. He was director of the observatory of the Gregorian Univ., Rome, from 1849. He is known es...

Aldrin, Buzz

(Encyclopedia)Aldrin, Buzz ôlˈdrĭn [key] (Edwin Eugene Aldrin, Jr.), 1930–, American astronaut, b. Montclair, N.J. After graduating from West Point (1951), Aldrin joined the U.S. air force and flew 66 combat m...

Davidson, George

(Encyclopedia)Davidson, George, 1825–1911, American geographer and astronomer, b. England. From 1845 to 1895 he was on the staff of the U.S. Coast and Geodetic Survey. He charted (1850–60) the U.S. Pacific coas...

Schuster, Sir Arthur

(Encyclopedia)Schuster, Sir Arthur, 1851–1934, English physicist, b. Germany. At Owens College, Manchester Univ., he was professor of applied mathematics (1881–88) and professor of physics (1888–1907). He is ...

ilmenite

(Encyclopedia)ilmenite ĭlˈmĕnīt [key], black mineral, iron titanium oxide, FeTiO3, crystallizing in the hexagonal system. It is sometimes found as tabular hexagonal crystals but occurs more commonly as small gr...

Godoy, Manuel de

(Encyclopedia)Godoy, Manuel de mänwĕlˈ dā gōᵺoiˈ [key], 1767–1851, Spanish statesman. An army officer, he won the favor of Queen María Luisa and rose rapidly at the court of Charles IV. The king made him...