Alan Greenspan, the pre-eminent economic policymaker of his time who was at the helm of the Federal Reserve for nearly two decades, serving five consecutive terms until stepping down in 2006, has died. He was 100 years old. The influential yet polarizing economist was appointed Fed Chair by Ronald Reagan in 1987, and oversaw a period of immense wealth creation before ultimately being faulted for being among those responsible for creating the conditions that led to the 2008 financial crisis. He died on Monday at his home in Washington, his wife Andrea Mitchell, the chief Washington correspondent and chief foreign affairs correspondent for NBC News, said in a statement, citing complications of Parkinson’s disease as his cause of death. © Getty ImagesGreenspan and Mitchell on Meet the Press in 2007 The family’s statement Mitchell, who was married to Greenspan for 29 years, said of her late husband in a statement: “He was a giant of a man who helped shape the U.S. economy for decades under presidents of both parties, but was always honest in …