Columbia Encyclopedia

(Encyclopedia) Rosenberg Case, in U.S. history, a lengthy and controversial espionage case. In 1950, the Federal Bureau of Investigation arrested Julius Rosenberg (1918–53), an electrical engineer who had worked (...

(Encyclopedia) San Martín, José de hōsāˈ ᵺā sän märtēnˈ [key], 1778–1850, South American revolutionist, b. Yapeyú, in present-day Argentina. After service with the Spanish army in Europe, he returned ...

(Encyclopedia) Sayles, John (John Thomas Sayles), 1950–, one of America's most influential independent filmmakers as well as a screenwriter, fiction writer, playwright, and actor, b. Schenectady, N.Y., grad. Willi...

(Encyclopedia) Teller, Edward, 1908–2003, American physicist, b. Budapest, Hungary, Ph.D. Univ. of Leipzig, 1930, where he studied under Werner Heisenberg. Fleeing the Nazis, he came to the United States in 1935 a...

(Encyclopedia) Canary Islands, Span. Islas Canarias, group of seven islands (2020 est. pop. 2,161,000), 2,875 sq mi (7,445 sq km), autonomous community of Spain, ...

(Encyclopedia)  CE6 Olympic games, premier athletic meeting of ancient Greece, and, in modern times, series of international sports contests. The modern revival of the Olympic games is due in a large measure to ...

(Encyclopedia) Russell, Bertrand Arthur William Russell, 3d Earl, 1872–1970, British philosopher, mathematician, and social reformer, b. Trelleck, Wales. As with his philosophical stance, Russell's positions on ...

(Encyclopedia) San Francisco săn frănsĭsˈkō [key], city (2020 pop. 873,965), coextensive with San Francisco co., W ...

(Encyclopedia) Manhattan Project, the wartime effort to design and build the first nuclear weapons (atomic bombs). With the discovery of fission in 1939, it became clear to scientists that certain radioactive materi...

(Encyclopedia) Oppenheimer, J. Robert ŏpˈənhīˌmər [key], 1904–67, American physicist, b. New York City, grad. Harvard (B.A., 1925), Ph.D. Univ. of Göttingen, 1927. He taught at the Univ. of California and t...