Alan Greenspan, who served as chairman of the U.S. Federal Reserve for over 18 years under four presidents, has died at the age of 100. His death occurred at his home due to complications stemming from Parkinson’s Disease. Greenspan’s tenure at the Fed, from 1987 to 2006, was marked by significant economic events, including the 1987 stock market crash, the dot-com bubble, and the 9/11 terrorist attacks. He was known for his independent streak and his focus on maintaining price stability. Prior to leading the Federal Reserve, Greenspan was a prominent economic consultant. His long career and influence on monetary policy have made him a central figure in modern economic history.