Michael L. Mickler, Ph.D., is Distinguished Professor of Historical Studies at the Unification Theological Seminary and Director of the Sunhak Institute of History USA. He is the author ofThe Unification Church Movement(Cambridge University Press, 2022),40 Years in America: An Intimate History of the Unification Movement, 1959-1999 (2000),A History of the Unification Church in America, 1959-74 (1993),The Unification Church in America: A Bibliography and Research Guide (1987), and more than fifty articles on the Unification movement.