Katherine Benton-Cohen is professor and director of doctoral studies in the department of history at Georgetown University. She is the author of Inventing the Immigration Problem: The Dillingham Commission and Its Legacy (Harvard, 2018) and Borderline Americans: Racial Division and Labor War in the Arizona Borderlands (Harvard, 2009). She also served as historical advisor to the nonfiction feature film Bisbee ’17 , winner of the American Historical Association’s O’Connor 2019 prize for best documentary film. Benton-Cohen has held fellowships from Princeton Library, the New York Public Library, American Philosophical Society, the National Endowment for the Humanities, the Woodrow Wilson International Center for Scholars, and elsewhere, and has been a visiting scholar at Chuo University in Tokyo. She has appeared in a variety of media outlets including “Matter of Fact with Soledad O’Brien,” the BBC, NPR, and PBS American Experience. She is an OAH Distinguished Lecturer, on the Board of Modern American History, and on the Scholarly Advisory Council for the Wisconsin Historical Society. Benton-Cohen is currently writing a global history of the Phelps-Dodge copper-mining family, whose capitalist and philanthropic links between New York, the US-Mexico Borderlands, and the Middle East profoundly changed each region.