Karlos K. HillKarlos K. Hill is Regents’ Associate Professor in the Clara Luper Department of African and African American Studies at the University of Oklahoma. He is the author The 1921 Tulsa Race Massacre: A Photographic History. Books by the Author Previous slide in carousel Behold the Walls Volume 3 The 1921 Tulsa Race Massacre Tulsa, 1921 Next slide in carousel