Gary W. Gallagher is the John L. Nau III Professor of History Emeritus at the University of Virginia, where he won the University's top teaching award. Before moving to UVA, he was an archivist at the LBJ Library in Austin, Texas, for a decade and then spent 12 years in the Department of History at Penn State University. A specialist in the field of Civil War-era studies, he is the author or editor of more than 40 books--most recently The Enduring Civil War: Reflections on the Great American Crisis (2020). Active in the field of historic preservation, he helped co-found the first national Civil War preservation organization and has served on the advisory boards of three others.