Isaac Newton (1642-1727). English physicist, astronomer and mathematician. 'Opuscula Mathematica, Philosophica et Philologica'. Volume I: Mathematica. Two-colour cover with intaglio engraving of Newton's portrait at the bottom, by Ferdinand Delamonce and Claude Duflos. Published in Lausanne and Geneva, 1744. Newton's original work dates from 1686. (Photo by: Prisma/Universal Images Group via Getty Images)