Daniel Kennefick is an assistant professor in the Department of Physics@the University of Arkansas in Fayetteville. His current research focuses on supermassive black holes and their role in the evolution of galactic structure. He is the author of Traveling@the Speed of Thought (2007) and is a coeditor of volumes 7, 9 and 10 of The Collected Papers of Albert Einstein (2001, 2004 and 2006), all from Princeton University Press.