Alan Greenspan, renowned economist and former Federal Reserve chairman, died at 100 years old from Parkinson's complications, said his wife, Andrea Mitchell.

U.S. Federal Reserve Chair Alan Greenspan has died at the age of 100. He died on Monday from complications of Parkinson’s Disease, said his wife of 29 years, NBC News…

The influential economist died Monday from complications of Parkinson’s disease, said his wife of 29 years, NBC News correspondent Andrea Mitchell.

Alan Greenspan, who served on the Federal Reserve under four presidents, died Monday at the age of 100.