Alan Greenspan, former chairman of the US Federal Reserve, has died at the age of 100. He served as the central bank’s leader for more than 18 years, overseeing significant economic shifts including the dot-com bubble and the 9/11 terrorist attacks. Appointed by President Ronald Reagan in 1987, Greenspan navigated numerous economic challenges and is credited with fostering a period of sustained economic growth. His tenure was marked by a focus on deregulation and a belief in the power of markets. However, his policies also faced criticism, particularly regarding the housing bubble that contributed to the 2008 financial crisis. Details regarding the cause of death have not been immediately released.