Who are the most influential figures in American history? The Atlantic recently asked ten eminent historians. The result was The Atlantic’s Top 100—and some insight into the nature of influence and the contingency of history. Was Walt Disney really more influential than Elizabeth Cady Stanton? Benjamin Spock than Richard Nixon? Elvis Presley than Lewis and Clark? John D. Rockefeller than Bill Gates? Babe Ruth than Frank Lloyd Wright? Let the debates begin.