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John Ericsson

Born: 1803Birthplace: Vermland, Sweden Propeller—Ericsson's propeller—still the main form of marine propulsion 150 years later—replaced the inefficient and vulnerable steam-driven oars and…

John Gibbon

Born: 1903 Heart-Lung Machine. Gibbon's development of the heart-lung machine made possible the first successful open-heart operation in 1953. Improved versions allow surgeons today to perform…

John Roebling

Born: 1806 Suspension Bridge. The age of the suspension bridge was ushered in by engineer and inventor Roebling. Roebling saw the potential of steel wire as a bridge building component and invented…

John Mauchly

Born: 1907Birthplace: Cincinnati, Ohio ENIAC data translating device—Engineers Eckert and Mauchly invented ENIAC (Electronic Numerical Integrator and Calculator), the first multipurpose computer,…

John Adams

Born: 10/30/1735Birthplace: Braintree, Mass. John Adams born on Oct. 30 (Oct. 19, old style), 1735, at Braintree (now Quincy), Mass. A Harvard graduate, he considered teaching and the ministry but…

John Tyler

Born: 3/29/1790Birthplace: Charles City County, Va. John Tyler was born in Charles City County, Va., on March 29, 1790. A William and Mary graduate, he entered law practice and politics, serving in…

John Woo

(Ng Yu-Sum [Cantonese]; Wu Yu-Sen [Mandarin])directorBorn: 5/01/1946Birthplace: Guangzhou, Canton, China Woo got his start in show business at Hong Kong's Cathay Studios, where he worked as a…

John Thomas

Born: 1907 Birthplace: East St. Louis, Illinois Fiberglass—In the 1930s, John Thomas, Games Slayter, and Dale Kleist…

John Savage

(John Youngs)actorBorn: 8/25/1950Birthplace: Old Bethpage, New York An intense leading man, Savage is known especially for his roles in late-1970s films. He played one of the three friends serving…

John Sayles

director, writer, actorBorn: 9/28/1950Birthplace: Schenectady, New York After college, Sayles worked odd jobs while writing novels (Pride of the Bimbos, 1975; Union Dues, 1977) and short stories (…