Dr. Jan van Aalst is an Associate Professor in the Faculty of Education, the University of Hong Kong, where he teaches graduate courses in science education, research methodology, and the use of ICT in education. In the 1980s and 1990s he taught high school and college physics and mathematics, was an early innovator in the use of computers in these subjects (data loggers, simulations, and computer algebra), and developed curriculum and professional development materials. His current interests are in various aspects of knowledge building, including pedagogy and assessment.
Prof. Carol Chan is a Professor in the Faculty of Education, the University of Hong Kong, where she teaches graduate courses in psychology of learning and knowledge building. In 1994 she received the Outstanding Doctoral Dissertation Award from the Canadian Association of Educational Psychology, and in 2006 she was made a University Teaching Fellow for her outstanding contributions to innovative teaching. She currently co-directs the Sciences of Learning Strategic Research Theme of the University of Hong Kong and Knowledge Building Teacher Network. Her current research interests are in knowledge building, reading, and conceptual change.