Stellan Ohlsson is Professor of Psychology and Adjunct Professor of Computer Science at the University of Illinois at Chicago (UIC). He received his Ph.D. in psychology from the University of Stockholm in 1980. He has held positions as Research Associate in the Robotics Institute at Carnegie-Mellon University and as Senior Scientist in the Learning Research and Development Center (LRDC) at the University of Pittsburgh, before joining UIC in 1996. His work has been supported by the Office of Naval Research (ONR), the National Science Foundation (NSF), and other organizations. Dr Ohlsson has published extensively on computational models of cognition, creative insight, skill acquisition, and… the design of instructional software, as well as other topics in higher cognition.