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Siegbahn, Karl Manne Georg

(Encyclopedia) Siegbahn, Karl Manne Georg, 1886–1978, Swedish physicist. In 1913, he began a series of experiments that led to the discovery of the M series of X rays and demonstrated the shell…

Barkla, Charles Glover

(Encyclopedia) Barkla, Charles GloverBarkla, Charles Gloverglŭˈvər bärˈklə [key], 1877–1944, English physicist. He was professor of natural philosophy at Edinburgh from 1913. For his discovery of the…

Laue, Max von

(Encyclopedia) Laue, Max vonLaue, Max vonmäks fən louˈə [key], 1879–1960, German physicist, studied under Max Planck. From 1919 he was professor of theoretical physics at the Univ. of Berlin. He…

California Institute of Technology

(Encyclopedia) California Institute of Technology, at Pasadena, Calif.; originally for men, became coeducational in 1970; founded 1891 as Throop Polytechnic Institute; called Throop College of…

Richter, Hans

(Encyclopedia) Richter, HansRichter, Hanshäns [key]Richter, Hans rĭkhˈtər [key], 1888–1976, American artist, b. Germany. A painter and filmmaker, Richter was influenced by cubism and Dada and was a…

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…

James Earl Ray 1998 Deaths

James Earl RayAge: 70 convicted killer of Martin Luther King Jr. He confessed to the 1968 assassination but recanted after his sentencing. Lacking evidence to back up his government…

Billy Ray Hobley 2002 Deaths

Billy Ray HobleyAge: 48 , a 22-year veteran of the Harlem Globetrotters; joined the team as a rookie from Dillard University; renowned ball handler who circled the world six times with the…

Paul Ray Smith, 2005 News

U.S. Army sergeant, was awarded a posthumous Medal of Honor, the nation's highest award for bravery in battle, in April. Smith and several dozen soldiers were constructing a makeshift jail…