In “The Shadow Drawing,” Francesca Fiorani details how the master’s paintings stemmed from his interests in optics, anatomy and other natural sciences.In “The Shadow Drawing,” Francesca Fiorani details how the master’s paintings stemmed from his interests in optics, anatomy and other natural sciences.Read MoreBooks and Literature, Art, Content Type: Personal Profile, da Vinci, Leonardo, The Shadow Drawing: How Science Taught Leonardo How to Paint (Book), Fiorani, Francesca