One of the most influential economic policymakers in the last four decades and chairman of the Federal Reserve for almost twenty years, under four different United States presidents from different parties, Alan Greenspan died this week at the age of 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.

Alan Greenspan, the influential economist who led the US Federal Reserve for almost 19 years and helped steer the world's largest economy through periods of growth and crisis, has…