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Bragg, Sir William Henry

(Encyclopedia)Bragg, Sir William Henry, 1862–1942, English physicist, educated at King William's College, Isle of Man, and Trinity College, Cambridge. He served on the faculties of the Univ. of Adelaide in Austra...

Nicol prism

(Encyclopedia)Nicol prism nĭkˈəl [key], optical device invented (1828) by William Nicol of Edinburgh. It consists essentially of a crystal of calcite, or Iceland spar, that is cut at an angle into two equal piec...

Orbiting Solar Observatory

(Encyclopedia)Orbiting Solar Observatory (OSO), series of eight orbiting observatories (see observatory, orbiting) launched between 1962 and 1971 by the National Aeronautics and Space Administration (NASA) to study...

Leland, Charles Godfrey

(Encyclopedia)Leland, Charles Godfrey hänsˈ brītmän [key], 1824–1903, American author, b. Philadelphia, grad. College of New Jersey (now Princeton), 1845, studied at Heidelberg, Munich, and Paris. While edito...

Lemonnier, Pierre Charles

(Encyclopedia)Lemonnier, Pierre Charles pyĕr shärl ləmônyāˈ [key], 1715–99, French astronomer. For many years he was professor of physics at the Collège de France. He studied the moon and the influence of ...

Jewett, Charles Coffin

(Encyclopedia)Jewett, Charles Coffin jo͞oˈĭt [key], 1816–68, American librarian, b. Lebanon, Maine. Jewett prepared his first catalog of books as librarian of Andover Theological Seminary. He was appointed lib...

Lafosse, Charles de

(Encyclopedia)Lafosse or La Fosse, Charles de shärl də lä fôs [key], 1636–1716, French painter. A pupil of Le Brun, he was more influenced by Veronese and Correggio, whose works he saw when he was in Italy (1...

Lea, Henry Charles

(Encyclopedia)Lea, Henry Charles lē [key], 1825–1909, U.S. historian, b. Philadelphia. He was associated with the family publishing business for many years, but his real interest was in historical work. Working ...

Keeling, Charles David

(Encyclopedia)Keeling, Charles David, 1928–2005, U.S. geochemist, b. Scranton, Pa., Ph.D. Northwestern Univ., 1954. As a postdoctoral fellow at the California Institute of Technology (1953–56), he developed a s...

Keene, Charles Samuel

(Encyclopedia)Keene, Charles Samuel, 1823–91, English pen-and-ink artist and caricaturist. In 1851 he began his long association with Punch, where the bulk of his work appeared. His drawings ranged from interesti...