K. Anders Ericsson, PhD, is presently Conradi Eminent Scholar and Professor of Psychology at Florida State University. For the last thirty years he has studied the development of expert performance in domains such as music, chess, medicine, business, and sports, and how expert performers attain their superior performance by acquiring complex cognitive mechanisms and physiological adaptations through extended deliberate practice. He has edited several books on expertise, such as Toward a General Theory of Expertise (1991), The Road to Excellence: The Acquisition of Expert Performance in the Art...