Robert Elias is Dean's Scholar and Professor of Politics and Legal Studies at the University of San Francisco. His most recent baseball books include Baseball Rebels: The Players, People, and Social Movements That Shook Up the Game and Changed America and Major League Rebels: Baseball Battles Over Workers' Rights and American Empire (both with Peter Dreier). His baseball essays have appeared in Nine, Jacobin, Baseball Research Journal, American History Magazine, Pacific Historical Review, Diplomatic History, International Journal of the History of Sport, and the Cooperstown Symposium on Baseball and American Culture. He is a longtime Society for American Baseball Research and Baseball Reliquary member. He lives in Mill Valley, CA, near San Francisco.

Dale Spencer is associate professor and Faculty of Public Affairs' Research Excellence Chair in the Department of Law and Legal Studies at Carleton University, Ottawa, Ontario, Canada.