Submitted by michael on Thu, 01/01/2015 - 16:16 URL http://www.economist.com/printedition/displayStory.cfm?Story_ID=3518580 IN THE span of 18 months, Isaac Newton invented calculus, constructed a theory of optics, explained how gravity works and discovered his laws of motion. As a result,... Tags IN THE span of 18 months Isaac Newton invented calculus constructed a theory of optics explained how gravity works and discovered his laws of motion. As a result ...