"The Uncommon Mastermind behind Mona Lisa's smile" PBS NewsHour 10/24/2017

Excerpt

SUMMARY:  Leonardo da Vinci's inquisitive spirit defined the quintessential “renaissance man.”  The master artist, scientist and inventor is now the subject of a new biography by Walter Isaacson, who has profiled geniuses including Benjamin Franklin and Steve Jobs.  Isaacson and Judy Woodruff discuss what he discovered while chronicling da Vinci's life.