When a star CEO leaves
Here's a look at what happened when nine famous business leaders left their empires.
Former Wal-Mart CEO Sam Walton
What Mr. Sam's successor, David Glass, lacked in charisma, he made up in smarts. Glass grew the $16 billion chain into a $165 billion colossus with the supercenter concept, among other innovations.
NEXT: Lee Iacocca (Chrysler)
Last updated February 17 2009: 1:35 PM ET