Blaise Pascal

Blaise Pascal (1623–1662) was a French mathematician, physicist, and theologian whose intellectual range made him one of the most remarkable figures of the seventeenth century. After a dramatic conversion experience on the night of 23 November 1654 — recorded in the autograph "Memorial" he sewed into the lining of his coat — he devoted himself to Christian apologetics and became a close associate of the Jansenist community at Port-Royal. His Lettres provinciales (1656–57) devastated Jesuit casuistry in prose celebrated for its wit and clarity, while his posthumously published Pensées assembled fragments of an unfinished apology for Christianity that introduced the famous "wager" argument for rational belief. Pascal died at thirty-nine, leaving both projects incomplete, yet his influence on modern apologetics, philosophy of religion, and French literary culture has been enormous.