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Hine, Lewis

(Encyclopedia)Hine, Lewis (Lewis Wickes Hine), 1874–1940, American photographer, b. Oshkosh, Wis. Hine dedicated much of his photographic career, which began shortly after he bought his first camera in 1903, to e...

crank

(Encyclopedia)crank, mechanical linkage consisting of a bar attached to a pivot at one of its ends in such a way that it is capable of rotating through a complete circle about the pivot. One of the principal uses o...

Strand, Paul

(Encyclopedia)Strand, Paul, 1890–1976, American photographer, b. New York City. Strand studied under Lewis Hine, who introduced him to Alfred Stieglitz. At Stieglitz's famed “291” gallery, Strand had his firs...

silver chloride

(Encyclopedia)silver chloride, chemical compound, AgCl, a white cubic crystalline solid. It is nearly insoluble in water but is soluble in a water solution of ammonia, potassium cyanide, or sodium thiosulfate (“h...

Curtis, Edward Sheriff

(Encyclopedia)Curtis, Edward Sheriff, 1868–1952, American photographer and pioneer ethnographer known for his documentation of Native Americans, b. near Whitewater, Wis. Curtis was obsessed with photography from ...

rotary engine

(Encyclopedia)rotary engine, internal-combustion engine whose cycle is similar to that of a piston engine, but which produces rotary motion directly without any conversion from reciprocating motion. A major problem...

Lumet, Sidney

(Encyclopedia)Lumet, Sidney lo͞o-mĕtˈ [key], 1924–2011, one of the great American film directors of the 20th cent., b. Philadelphia. A child actor in New York's Yiddish radio and theater and (1935–41) on Bro...

Kennedy, Joseph Patrick

(Encyclopedia)Kennedy, Joseph Patrick, 1888–1969, U.S. ambassador to Great Britain (1937–40), b. Boston, grad. Harvard, 1912. The founder of an American dynasty, he was the father of nine children, including Jo...

Swan, Sir Joseph Wilson

(Encyclopedia)Swan, Sir Joseph Wilson, 1828–1914, English chemist and physicist. He made an incandescent lamp using a carbon filament (1860), 20 years before Edison's lamp. Noted for important contributions to ph...

Leiter, Saul

(Encyclopedia)Leiter, Saul lītˈər [key], 1923–2013, American photographer, b. Pittsburgh. A painter in the early 1940s, Leiter switched to photography late in the decade. Along with Robert Frank and Diane Arbu...