(Encyclopedia) Nagin, Ray (Clarence Ray Nagin, Jr.), 1956–, African-American politician, b. New Orleans. A Louisiana cable-television executive before entering politics, Nagin won the 2002 mayoral…
(Encyclopedia) X-ray crystallography, the study of crystal structures through X-ray diffraction techniques. When an X-ray beam bombards a crystalline lattice in a given orientation, the beam is…
(Encyclopedia) X-ray astronomy, study of celestial objects by means of the X rays they emit, in the wavelength range from 0.01 to 10 nanometers. X-ray astronomy dates to 1949 with the discovery that…
(Encyclopedia) gamma-ray astronomy, study of astronomical objects by analysis of the most energetic electromagnetic radiation they emit. Gamma rays are shorter in wavelength and hence more energetic…
(Encyclopedia) Bothwell, James Hepburn, 4th earl ofBothwell, James Hepburn, 4th earl ofhĕˈbərn, bŏthˈwəl [key], 1536?–1578, Scottish nobleman; third husband of Mary Queen of Scots. Though a…
(Encyclopedia) Elgin, James Bruce, 8th earl ofElgin, James Bruce, 8th earl ofĕlˈgĭn [key], 1811–63, British statesman, son of the 7th earl. He served as governor of Jamaica (1842–46) and in 1847 was…
(Encyclopedia) Palmer, Ray, 1808–87, American Congregational clergyman and hymn writer, b. Little Compton, R.I., grad. Yale, 1830. He held pastorates in Bath, Maine (1835–50), and Albany, N.Y. (1850–…
actorBorn: 1/17/1931Birthplace: Arkabutla, Mississippi Tony and Grammy Award-winning film and stage actor known for his authoritative voice. His stage appearances include Fences (1985) and The…
(Encyclopedia) Charles, Ray (Ray Charles Robinson), 1930–2004, African-American musician and composer, b. Albany, Ga. Blinded at age seven, he was raised in Florida and at 16 began singing in a local…