Allen Weinstein was a historian and educator who served as the Ninth Archivist of the United States. Weinstein was a cofounder of the National Endowment for Democracy in 1983. His work included research into Soviet espionage acitivties during the 1930s and 1940s, topics he covered in his books Perjury: The Hiss–Chambers Case and The Haunted Wood: Soviet Espionage in America—The Stalin Era. Weinstein passed away on June 18, 2015 after suffering a pout of pneumonia.