Volcker, Greenspan, Bernanke At Commemoration of Federal Reserve Act

Paul Volcker, former chairman of the U.S. Federal Reserve, signs a guest book at an event commemorating the Federal Reserve Act, the legislation that created the central bank, in Washington, D.C., U.S., on Monday, Dec. 16, 2013. Federal Reserve Chairman Ben S. Bernanke said at the event that a willingness to resist political encroachment has been a key strength of the Fed during its first century as the U.S. central bank. Photographer: Pete Marovich/Bloomberg via Getty Images