The Pocket Guide to World HistoryPascal, Blaise. 1623-62. French mathematician, Jansenist philosopher, physician. Calculator 1642.Barometer 1646. Syringe 1648. Hydraulics. Probability 1654. Pensées 1670. [Read more ...] 6546 © Copyright 2007 PocketHistory.com Hosted by BenLo Park |