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: …
James Kaplan has been writing noted biography, journalism, and fiction for more than four decades. The author of Frank: The Voice and Sinatra: The Chairman, the definitive two-volume biography of Fran…
