(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) 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–…
(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…
entrepreneurBorn: 1/6/1896Birthplace: Chicago, Ill. Died: 2/8/1986 The son of Russian Jewish immigrants, Pritzker lived the American Dream. He graduated from Harvard Law School and worked for a…
(Encyclopedia) Rowe, NicholasRowe, Nicholasrō [key], 1674–1718, English dramatist. An ardent Whig, he was able to gain various government posts during the course of his life. In 1715 he became poet…
(Encyclopedia) Nicholas Brothers, African-American tap dance team consisting of Fayard Antonio Nicholas, 1914–2006, b. Mobile, Ala., and Harold Lloyd Nicholas, 1921–2000, b. Winston-Walem, N.C.…
(Encyclopedia) Grimald, Grimalde, or Grimoald, NicholasGrimald, Grimalde, or Grimoald, Nicholasall: grĭmˈôld [key], 1519?–1562?, English poet. He contributed 40 poems to the first edition (1557) of…
