William Shakespeare lived at a remarkable time--a period we now recognize as the first phase of the Scientific Revolution. New ideas were transforming Western thought, the medieval was giving way to the modern, and the work of a few key figures hinted at the brave new world to come: the methodical and rational Galileo, the skeptical Montaigne, and--as Falk convincingly argues--Shakespeare, who observed human nature just as intently as the astronomers...