Entry
Pascal — Mathematician, physicist and author of the Pensées, 1623–1662
Son of a president of a cour des aides, raised in Paris by his father who was his only teacher, he built a calculating machine, demonstrated the weight of the air, founded with Fermat the calculus of chances and withdrew into piety after 1654. The Provinciales appeared in his lifetime, the Pensées eight years after his death. He died at thirty-nine. (Editorial synthesis)
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