Charles A. Gallagher is professor and chair of the department of sociology, social work and criminal justice at La Salle University, USA. He is a social inequality and race theorist who has published over 40 articles, reviews and books. His research examines racial and social inequality, immigration, urban sociology and the ways in which the media, the state and popular culture construct, shape and disseminate ideas of race. As a nationally recognized expert on race and social inequality he has given over fifty talks on these topics around the country and has appeared in television and radio interviews over seventy-five times.

France Winddance Twine is an ethnographer and a feminist race theorist who has published more than 50 articles, reviews, and books. She has conducted field research in Brazil, Britain and the United States. Her research has been supported by the Rockefeller Foundation and the Andrew Mellon Foundation. She is the author of A White Side of Black Britain: Interracial Intimacy and Racial Literacy (2010) and Racism in a Racial Democracy: the maintenance of white supremacy in Brazil (1997) and an editor of 4 volumes including Feminism and Anti-Racism: international struggles for justice (2000).