Alan Greenspan
1. Alan Greenspan
The Federal Reserve chairman — an economist and a disciple of libertarian icon Ayn Rand — met his first major challenge in office by preventing the 1987 stock-market crash from spiraling into something much worse. Then, in the 1990s, he presided over a long economic and financial-market boom and attained the status of Washington's resident wizard. But the super-low interest rates Greenspan brought...
