Diane M. Bunce (Ph.D.) is a Professor of Chemistry at The Catholic University of America. She received her B.S. degree in chemistry from Le Moyne College, M.A.T. degree in science education from Cornell University and Ph.D. in chemical education from the University of Maryland-College Park. Her research deals with how students learn chemistry and the mismatch between the way we teach chemistry and what we know about how students learn. Diane received the ACS 2011 Pimentel Award for Chemical Education and the 2001 Helen Free Award for Public Outreach. She has served as editor or co-editor of two other ACS Symposium Series books. Renee S. Cole (Ph.D.) is an Associate Professor of Chemistry at the University of Iowa. Dr. Cole earned a B.A. in chemistry from Hendrix College, and M.S. and Ph.D. degrees in physical chemistry from the University of Oklahoma. Her research focuses on issues related to how students learn chemistry and how that guides the design of instructional materials and teaching strategies as well on efforts related to faculty development and the connection between chemistry education research and the practice of teaching.