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; The Innovators; Steve Jobs; Einstein: His Life and Universe; Benjamin Franklin: An American Life; and Kissinger: A Biography, and the coauthor of The Wise Men: Six Friends and the World They Made. Visit him at Isaacson.Tulane.edu. Sarah Durand is a New York Times bestselling collaborator who works with celebrities, beauty and wellness experts, professional athletes, CEOs, and women with a mission. She currently lives in Brooklyn, New York, with her husband and two daughters.