Eric Porter is Professor of American Studies, History, and History of Consciousness at the University of California, Santa Cruz. He is the author of "What Is This Thing Called Jazz?" (UC Press), winner of a 2003 American Book Award, and "The Problem of the Future World. "Lewis Watts is Professor of Art at the University of California, Santa Cruz. He is a photographer and visual archivist and coauthor of "Harlem of the West, The San Francisco Fillmore Jazz Era." His photography has been exhibited internationally and it is in the collections of major museums across the country.