Torleiv HA, ien is a professor and the Director of the Norwegian Dyslexia Foundation. Books that he has co-authored together with Ingvar Lundberg have been standard textbooks throughout the Nordic countries, and their articles have appeared in leading international journals. Ingvar Lundberg is a professor at the University of Gothenburg, Sweden. Books that he has co-authored together with Torleiv HA, ien have been standard textbooks throughout the Nordic countries, and their articles have appeared in leading international journals.