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Mercator, Gerardus

(Encyclopedia)Mercator, Gerardus gārˈhärt krāˈmər [key], 1512–94, Flemish geographer, mathematician, and cartographer. He studied in Louvain, where he had a geographical establishment (1534). From 1537 to 1...

Hill, Daniel Harvey

(Encyclopedia)Hill, Daniel Harvey, 1821–89, Confederate general in the American Civil War, b. York District, S.C. He served in the Mexican War but resigned from the army in 1849. He was professor of mathematics a...

Fermat, Pierre de

(Encyclopedia)Fermat, Pierre de pyĕr də fĕrmäˈ [key], 1601–65, French mathematician. A magistrate whose avocation was mathematics, Fermat is known as a founder of modern number theory and probability theory....

Ricci, Matteo

(Encyclopedia)Ricci, Matteo mät-tāˈō rētˈchē [key], 1552–1610, Italian missionary to China. He entered the Society of Jesus, and in Rome he studied under Clavius. Ricci was sent to the Indies (1578), and h...

Clarke, Arthur C.

(Encyclopedia)Clarke, Arthur C. (Sir Arthur Charles Clarke), 1917–2008, British science fiction writer. During World War II he served as a radar instructor and aviator in the Royal Air Force. After the war he obt...

madrasa

(Encyclopedia)madrasa or madrassah, in Islamic countries, a school, historically usually one devoted to higher education in religious studies, but the term may refer to any school. Privately endowed, often by royal...

education

(Encyclopedia)education, any process, either formal or informal, that shapes the potential of a maturing organism. Informal education results from the constant effect of environment, and its strength in shaping val...

intuition

(Encyclopedia)intuition, in philosophy, way of knowing directly; immediate apprehension. The Greeks understood intuition to be the grasp of universal principles by the intelligence (nous), as distinguished from the...

Pascal, Blaise

(Encyclopedia)Pascal, Blaise blĕz päskälˈ [key], 1623–62, French scientist and religious philosopher. Studying under the direction of his father, a civil servant, Pascal showed great precocity, especially in ...

Bacon, Roger

(Encyclopedia)Bacon, Roger, c.1214–1294?, English scholastic philosopher and scientist, a Franciscan. He studied at Oxford as well as at the Univ. of Paris and became one of the most celebrated and zealous teache...