Jean-Paul Bronckart is Professor of Language Didactics at the Faculty of Psychology and Educational Sciences at the University of Geneva. He has developed several research programs on epistemology of the human and social sciences, Discourse Analysis, language acquisition processes and language didactics. Currently, he has reoriented his work towards the problematic of relations between language, action-work and training. He is the author of more than 300 scientific publications, including Activité langagière, textes et discours.