Development of Evolution By e.m.m.a Period: Dec 12, 1731 to Apr 18, 1802 Life of Erasmus Darwin Period: Jul 1, 1743 to May 25, 1805 Life of William Paley Period: Aug 1, 1744 to Dec 18, 1829 Life of Jean Baptiste Lamarck Period: Feb 6, 1796 to May 16, 1861 Life of John Henslow Period: Nov 14, 1797 to Feb 22, 1875 Life of Charles Lyell Period: Jul 10, 1802 to Mar 17, 1871 Life of Robert Chambers Period: Feb 12, 1809 to Apr 19, 1882 Life of Charles Darwin Period: Jan 8, 1823 to Nov 7, 1913 Life of Alfred Wallace (8 January 1823 – 7 November 1913