Steven J. Brams is professor of politics at New York University and a leading authority in the strategic analysis of international conflict. He is the author or co-author of eight previous books, including Superpower Games and has worked for the Office of the Secretary of Defense and the Institute for Defense Analyses.

D. Marc Kilgour is professor of mathematics at Wilfrid Laurier University in Waterloo, Canada, and adjunct professor of systems design engineering at the University of Waterloo.