Isaac Newton By mkpniew Dec 25, 1642 Isaac Newton was born Period: Dec 25, 1642 to Mar 20, 1727 Isaac Newton Jan 11, 1672 Isaac Newton is elected Fellow of the Royal Society of London Jul 5, 1687 Isaac Newton's most famous book, Principia was published Feb 1, 1704 Isaac Newton publishes Opticks Mar 20, 1727 Isaac Newton died