Former Federal Reserve Chair Alan Greenspan, whose long tenure at the U.S. central bank earned him the nicknames “Oracle” and “Maestro,” died Monday from complications of Parkinson’s disease. He was 100.

During his chairmanship, Greenspan was celebrated as possibly the best central banker in history. But later, his reputation was tarnished by the worst financial crisis since the…

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

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