Mark Lytle Mark H. Lytle received his Ph.D. from Yale University and is Professor of History and Environmental Studies. he has served two years as Mary Ball Washington Professor of American History at University College, Dublin, in Ireland. His publication include The Origins of the Iranian-American Alliance, 1941-1953, After the Fact: The Art of Historical Detection (with James West Davidson), America's Uncivil Wars: The Sixties Era from Elvis to the Fall of Richard Nixon, and, most recently, The Gentle Subversive: Rachel Carson, Silent Spring, and the Rise of the Environmental Movement. He is co-editor of a joint issue of the journals of Diplomatic History and Environmental History dedicated to the field of environmental diplomacy. Read More Read Less