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Leonardo da Vinci

Leonardo da Vinci is best remembered as the painter of the Mona Lisa (1503-1506) and the mural The Last Supper (1495). Leonardo is equally famous for his astonishing multiplicity of talents: he…

Samuel Colt

Samuel Colt created the 19th-century handgun, and the successful gun company, which bore his name. Colt was 16 years old and sailing on a ship to India when he carved a model of a single-barrelled…

Warren de la Rue Biography

Warren de la Rueastronomer, physicistBorn: 1/15/1815Birthplace: Guernsey, United Kingdom After studying in Paris, he began working in his father's papermaking business, inventing an envelope-…

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…

The Turk

A chess-playing automaton -- that is, robotic machine -- the Turk was a sensation in Europe in the 1770s. The Turk was a wooden cabinet on wheels, atop which sat a chessboard and a life-sized wooden…

Laurence Yep

Chinese-American writer Laurence Yep is the author of Dragonwings (1975), Child of the Owl (1977) and dozens of other books for young readers. Yep studied at Marquette University and earned an…

Stanislaw Lem

Polish writer Stanislaw Lem is a world famous science fiction author whose books include Eden (1959) and Solaris (1961). Born and raised in Lwów, Poland (now Lvov, Ukraine), Lem turned to writing…

Garrett Morgan

Name at birth: Garrett Augustus MorganGarret Morgan was an African American entrepreneur who's best known as the inventor of the gas mask and the three-way traffic signal. He was the son of freed…

Alessandro Volta

Count Alessandro Giuseppe Antonio Anastasio Volta was the Italian physicist who built the first electrochemical battery. He first gained fame across Europe in 1775 with his electrophorus, a charge-…