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Sylvester, James Joseph

(Encyclopedia) Sylvester, James Joseph, 1814–97, English mathematician. He studied at Cambridge for four years after 1831, but because degrees were limited to members of the Church of England and he…

Tartaglia, Niccolò

(Encyclopedia) Tartaglia, NiccolòTartaglia, Niccolònēk-kōlôˈ tärtäˈlyä [key], c.1500–1557, Italian engineer and mathematician. Largely self-educated, he taught mathematics at Verona, Brescia, and…

Gregory, James

(Encyclopedia) Gregory, James, 1638–75, Scottish mathematician. He invented a reflecting telescope (1661), which he described in his Optica promota (1663). In 1668 he became professor of mathematics…

Frege, Gottlob

(Encyclopedia) Frege, GottlobFrege, Gottlobgôtˈlōp frāˈgə [key], 1848–1925, German philosopher and mathematician. He was professor of mathematics (1879–1918) at the Univ. of Jena. Frege was one of…

Ibn al-Haytham

(Encyclopedia) Ibn al-HaythamIbn al-Haythamĭbˈən äl-hīth-ämˈ [key] or AlhazenIbn al-Haythamălhəzĕnˈ [key], 965–c.1040, Arab mathematician. Ibn al-Haytham was born in Basra, but made his career in…

Whitehead, Alfred North

(Encyclopedia) Whitehead, Alfred North, 1861–1947, English mathematician and philosopher, grad. Trinity College, Cambridge, 1884. There he was a lecturer in mathematics until 1911. At the Univ. of…

Klein, Christian Felix

(Encyclopedia) Klein, Christian FelixKlein, Christian Felixkrĭsˈtēän fāˈlĭks [key]Klein, Christian Felix klīn [key], 1849–1925, German mathematician. He is noted for his work in geometry and on the…

2005 Intel Science Talent Search Winners

First Place: $100,000 scholarship, David Lawrence Vigliarolo Bauer, 17, Hunter College High School, Bronx, N.Y., for developing a sensor for rapidly detecting individual exposure to toxic…

Cantor, Georg

(Encyclopedia) Cantor, GeorgCantor, Georggāˈôrkh känˈtôr [key], 1845–1918, German mathematician, b. St. Petersburg. He studied under Karl Weierstrass and taught (1869–1913) at the Univ. of Halle. He…