FILE – JUNE 22, 2026: Alan Greenspan, former head of Federal Reserve, dies at 100 from complications of Parkinson’s Disease. WASHINGTON, DC - NOVEMBER 01: NBC News' Andrea Mitchell, Former Chairman of the Federal Reserve Alan Greenspan, and Librarian of Congress Dr. Carla Hayden attends the AFI 50th Anniversary Gala at The Library of Congress on November 1, 2017 in Washington, DC. (Photo by Shannon Finney/Getty Images for American Film Institute)