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Pascal, Blaise

[paskal]

(1623--62)

Mathematician, physicist, theologian, and man-of-letters, born in Clermont-Ferrand, C France. He invented a calculating machine (1647), and later the barometer, the hydraulic press, and the syringe. Until 1654 he spent his time between mathematics and the social round in Paris, but a mystical experience that year led him to join his sister, who was a member of the Jansenist convent at Port-Royal, where he defended Jansenism against the Jesuits in Lettres provinciales (1656--7). Fragments jotted down for a case book of Christian truth were discovered after his death and published as the Pensées (1669, Thoughts).


Mathematicians biographies text content is © (1990), (1991-1998)
AND Reference Data Ltd.,Oxford, UK.



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