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Crab Nebula

(Encyclopedia) Crab Nebula, diffuse gaseous nebula in the constellation Taurus; cataloged as NGC 1952 and M1, the first object recorded in Charles Messier's catalog of nonstellar objects (see Messier…

Lipscomb, William Nunn, Jr.

(Encyclopedia) Lipscomb, William Nunn, Jr.Lipscomb, William Nunn, Jr.lĭpˈskəm [key], 1919–2011, American physical chemist, b. Cleveland, Ph.D. California Institute of Technology, 1946. A professor of…

pentimento

(Encyclopedia) pentimentopentimentopĕnˌtəmĕnˈtō [key], painter's term for the evidence in a work that the original composition has been changed. Often the opaque pigment with which the artist covered…

elasmobranch

(Encyclopedia) elasmobranchelasmobranchĭlăsˈməbrăngk [key], cartilaginous fish, member of the subclass Elasmobranchii of the vertebrate class Chondrichthyes (see Chordata). This group includes sharks…

Gasser, Herbert Spencer

(Encyclopedia) Gasser, Herbert SpencerGasser, Herbert Spencergăsˈər [key], 1888–1963, American physiologist, b. Platteville, Wis., grad. Univ. of Wisconsin (B.A., 1910; M.A., 1911), M.D. Johns…

Robinson, Sugar Ray

(Encyclopedia) Robinson, Sugar Ray, 1920–89, American boxer, b. Detroit as Walker Smith, Jr. He began boxing after three years of high school in New York City. Having won all his amateur fights (…

Baker, Ray Stannard

(Encyclopedia) Baker, Ray Stannard, pseud. David Grayson, 1870–1946, American author, b. Lansing, Mich., grad. Michigan State College (now Michigan State Univ.), 1889. At first a Chicago newspaper…

ray, in zoology

(Encyclopedia) ray, extremely flat-bodied cartilaginous marine fish, related to the shark. The pectoral fins of most rays are developed into broad, flat, winglike appendages, attached all along the…

Dolby, Ray Milton

(Encyclopedia) Dolby, Ray Milton, 1933–2013, American inventor, audio engineer, and corporate executive, B.S. Stanford, 1957, Ph.D. Cambridge, 1961. While a teenager, he worked for Ampex Corp. (1949–…

Wilbur, Ray Lyman

(Encyclopedia) Wilbur, Ray Lyman, 1875–1949, American public official and educator, b. Boonesboro, Iowa, grad. Stanford (B.A., 1896; M.A., 1897) and Cooper Medical College, San Francisco, 1899. After…