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Archibald Alphonso Alexander Biography

Archibald Alphonso Alexanderdesign and construction engineerBorn: 1888 A 1912 recipient of a civil engineering degree from the University of Iowa, Iowa City, Archibald “Archie” Alexander…

Charles Hard Townes

Charles Hard Townes Born: 1915 Birthplace: Greenville, South Carolina Masers—Townes constructed the maser (microwave…

John Roebling

John RoeblingBorn: 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…

Ali Javan Biography

Ali Javan Born: 1926 Birthplace: Tehran, Iran Helium-neon laser—The helium-neon laser is the most useful, practical…

Wen Ho Lee Biography

Wen Ho LeeengineerBorn: 1939Birthplace: Nantou, Taiwan Wen Ho Lee got his B.S. in mechanical engineering from Cheng Kung University. In 1965 he came to the U.S. for graduate studies at Texas…

Alfred Nobel Biography

Alfred Nobel Born: 1833Birthplace: Stockholm Improved explosive compound: dynamite—Accidents in the manufacturing and handling of nitroglycerin made Nobel aware of its danger in the fluid state…

Nervi, Pier Luigi

(Encyclopedia) Nervi, Pier LuigiNervi, Pier Luigipyĕr lw&oomacr;ēˈjē nĕrˈvē [key], 1891–1979, Italian architectural engineer. Nervi is considered one of the foremost European architectural…

Marjorie Harris Carr Biography

Marjorie Harris CarrConservationistBorn: March 26, 1915Birthplace: Boston, Mass. Born in Boston, Marjorie Harris moved to Florida as a young girl. Her early interest in nature was cultivated…

Sato, Eisaku

(Encyclopedia) Sato, EisakuSato, Eisakuāsäˈk&oomacr; säˈtō [key], 1901–75, Japanese politician, prime minister (1964–72), brother of Nobusuke Kishi. After receiving a law degree from Tokyo…

concrete

(Encyclopedia) concrete, structural masonry material made by mixing broken stone or gravel with sand, cement, and water and allowing the mixture to harden into a solid mass. The cement is the…