Leonardo Da Vinci
Walter Isaacson, a professor of history at Tulane, has been CEO of the Aspen Institute, chair of CNN, and editor of
Time. He is the author of
Leonardo da Vinci;
Einstein: His Life and Universe;
Benjamin Franklin: An American Life;
Kissinger: A Biography, and the coauthor of
The Wise Men: Six Friends and the World They Made. Visit him at Isaacson.Tulane.edu.