John A. Vasquez is Professor Emeritus at the University of Illinois at Urbana-Champaign. He is the author of The War Puzzle (Cambridge, 1993), The War Puzzle Revisited (Cambridge, 2009), The Power of Power Politics (Cambridge, 1999), The Steps to War (with Paul Senese), Territory, War, and Peace (with Marie Henehan), and Contagion and War: Lessons from the First World War (Cambridge, 2018). He received the Lifetime Achievement Award from the APSA Conflict Processes Section and has served as the president of the Peace Science Society (International) and the International Studies Association. Andrew P. Owsiak is Professor of International Affairs and Josiah Meigs Distinguished Teaching Professor at the University of Georgia. His research concerns interstate conflict and its management. His recent published works include On Dangerous Ground (with Toby J. Rider, 2021), International Conflict Management (with J. Michael Greig and Paul F. Diehl, 2023), and various journal articles.