Lawrence W. Levine is the author of "Black Culture and Black Consciousness, Highbrow/Lowbrow", and "The Opening of the American Mind". He was Professor of History at University of California, Berkeley, and died in 2006. Cornelia R. Levine is an independent scholar. Michael Kazin is Professor of History at Georgetown University and coeditor of "Dissent". He is the author of "A Godly Hero: The Life of William Jennings Bryan; The Populist Persuasion: An American History" and other books.