Matematikusok By zso Period: Feb 15, 1564 to Jan 8, 1642 Galileo Galilei Period: Dec 27, 1571 to Nov 20, 1630 Johannes Kepler Period: Mar 31, 1596 to Feb 11, 1650 René Descartes Period: Jan 4, 1643 to Mar 31, 1727 Isaac Newton Period: Jul 1, 1646 to Nov 14, 1716 Gottfried Wilhelm Leibniz