William Edward Burghardt Du Bois (1868-1963) was an American sociologist, author, and cofounder of the National Association for the Advancement of Colored People (NAACP). His pioneering work The Philadelphia Negro: A Social Study was originally published in 1890 by, and remains available from, the University of Pennsylvania Press. Robert Gregg is Associate Professor of History, Richard Stockton College of New Jersey. He is the author of Inside Out, Outside In: Essays in Comparative History.
Elijah Anderson is William K. Lanman, Jr., Professor of Sociology at Yale University and the author or editor of many books, including A Place on the Corner and Code of the Street: Decency, Violence, and the Moral Life of the Inner City. Cornel West is Class of 1943 University Professor of Religion, Center of African American Studies at Princeton University. Among his books is the best-selling Race Matters.