John Earl Haynes is a 20th Century Political Historian in the Manuscript Division of the Library of Congress, Washington, D.C. He received his Ph.D. from the University of Minnesota. He is the author or editor of four books: Calvin Coolidge and the Coolidge Era: Essays on the History of the 1920s (editor, 1998); Red Scare or Red Menace? American Communism and Anticommunism in the Cold War Era (1996); Communism and Anti-Communism in the United States: An Annotated Guide to Historical Writings (1987); and Dubious Alliance: The Making of Minnesota's DFL Party (1984). Harvey Klehr is the Andrew W. Mellon Professor of Politics and History at Emory University in Atlanta, GA. He received his Ph.D. from the University of North Carolina, Chapel Hill. He is the author of five books, Communist Cadre: The Social Background of the American Communist Party Elite (1978); The Heyday of American Communism: The Depression Decade (1984); Biographical Dictionary of the American Left (1986); Far Left of Center: The American Radical Left Today (1988); The Amerasia Spy Case: Prelude to McCarthyism (1996). He was honored with the Emory Williams Distinguished Teaching Award for Emory College in 1983.