Alan Greenspan, the former Chairman of the Federal Reserve, has died at the age of 100, as confirmed by a family statement reported by NBC. Greenspan served as the Fed Chair from 1987 to 2006, during which he navigated significant economic events including the 1987 stock market crash and the dot-com bubble. His tenure spanned the administrations of four U.S. presidents, from Ronald Reagan to George W. Bush, and his monetary policies left a lasting impact on global financial markets.