Thomas A. Guglielmo is Associate Professor of American Studies at George Washington University. He has a PhD in History from the University of Michigan. His first book, White on Arrival: Italians, Race, Color, and Power in Chicago (Oxford, 2003), won the Organization of American Historians' Frederick Jackson Turner Award and the Society of American Historians' Allan Nevins Prize. His second book, Divisions: A New History of Racism and Resistance in America's World War II Military (Oxford University Press, 2021), won the Society for Military History's Distinguished Book Award. His articles have appeared in the Journal of American History, the American Journal of Sociology, the Journal of American Ethnic History, and other publications. His work has been supported by Harvard University's Charles Warren Center and Stanford University's Research Institute for the Comparative Study of Race and Ethnicity.