Aaron J. Leonard is a writer and historian. He is author of Heavy Radicals: The FBI's Secret War on America's Maoists (Zero Books, 2015). His research interests focus on twentieth century US history, particularly sixties history, and the interplay between radicalism and governmental repression. He has a BA in social science with a concentration in history from New York University and is currently pursuing a doctorate in history at the University of California, Irvine.