Balu Athreya an emeritus professor of Pediatrics (University of Pennsylvania and Thomas Jefferson University) has been a life-long learner and educator. His interest in diagnostic logic, communication with children and parents, intricacies of decision making for medical management, and languages stimulated and maintained his attention on thinking in general. Dr. Athreya has published widely. He is the author of Pediatric Physical Diagnosis and Handbook of Clinical Skills: A Practical Manual.    Chrystalla Mouza is an Associate Professor of Instructional Technology in the School of Education at the University of Delaware. She earned an Ed.D., M.Ed, and M.A. in Instructional Technology and Media from Teachers College, Columbia University and completed post-doctoral work at the Educational Testing Service (ETS). Her research investigates teacher learning with regard to technology, applications of technology in K-12 classrooms, and teaching and learning outcomes in ubiquitous computing environments. Her work has been supported by the National Science Foundation, the Delaware Department of Education through the Higher Education Component of No Child Left Behind, and ETS. Dr. Mouza is the recipient of the 2010 Distinguished Research in Teacher Education Award from the Association of Teacher Educators and former Chair of the AERA Special Interest Group, Advanced Technologies for Learning. She serves on the editorial board of the Journal of Technology and Teacher Education and provides editorial assistance to numerous journals, conferences, and book publications including the Journal of the Learning Sciences, the Annual Conference of the American Educational Research Association, and the Research Highlights in Technology and Teacher Education book series.