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duma

(Encyclopedia) dumadumad&oomacr;ˈmä [key], Russian name for a representative body, particularly applied to the Imperial Duma established as a result of the Russian Revolution of 1905. The…

miniature painting

(Encyclopedia) miniature painting [Ital.,=artwork, especially manuscript initial letters, done with the red lead pigment minium; the word originally had no implication as to size]. In a general sense…

James Hillier

Born: 1915Birthplace: Ontario, Canada Electron lens correction device—Hillier is noted for his contributions to the development of the electron microscope. The electron lens is used to focus a beam…

William D. Coolidge

Born: 1873Birthplace: Hudson, Mass. Vacuum tube—Coolidge invented ductile tungsten, the filament material still used in incandescent lamps. He also invented the “Coolidge tube”, the model upon…

DK Science: Fish

FILTER FEEDERAFRICAN LUNGFISHJAWLESS LAMPREYFISHFIND OUT MOREFish are water animals that evolved about 500 million years ago. They were the first animals to have an internal skeleton. Most fish…

Selected Biographies: R

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z More Biographies Don't see the biography you're looking for? Search 30,000+ biographies Biographies…

John William JONES, Congress, GA (1806-1871)

JONES, John William, a Representative from Georgia; born in Rockville, Montgomery County, Md., April 14, 1806; moved to Kentucky in 1810 with his parents, who settled in Nicholas (now Bourbon…

Roberto Duran

Born: June 16, 1951Panamanian boxer one of only 4 fighters to hold 4 different world titles— lightweight (1972-79), welterweight (1980), junior middleweight (1983) and middleweight (1989-90); lost…

Hounsfield, Sir Godfrey Newbold

(Encyclopedia) Hounsfield, Sir Godfrey Newbold, 1919–2004, British electrical engineer. A radar expert for the Royal Air Force during World War II, in the 1950s Hounsfield began developing computer…

Hess, Victor Francis

(Encyclopedia) Hess, Victor Francis, 1883–1964, American physicist, b. Austria, Ph.D. Univ. of Graz, 1906. After teaching at the universities of Graz and Innsbruck, he came to the United States in…