Bio Note: John Mason is a professor emeritus at the Open University and a senior research fellow at the University of Oxford, Department of Education. His interests span problem solving; mathematical thinking; calling upon and developing learners’ powers, particularly generalizing; the use and role of mental imagery in teaching and learning mathematics; the nature and role of attention in teaching and learning mathematics; the discipline of noticing applied to research as well as teaching and learning. Homepage: http://www.pmtheta.com

Affiliation: Open University, Mathematics and Statistics

Homepage: http://www.mcs.open.ac.uk/People/j.h.mason