Alan Greenspan was celebrated for engineering a decade of US economic prosperity, but his legacy was tarnished by a devastating financial crisis.

A market maestro to some, he was criticized by others—including himself—for having too much faith in self-regulating markets.

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.