*) Jerome Bruner (just one "n") Wile Piaget thought that the newly established dominance would replace the previous one, Bruner showed that the older one remai

*) Jerome Bruner (just one "n") Wile Piaget thought that the newly established dominance would replace the previous one, Bruner showed that the older one remained and could be observed in parallel. (Which is rather decisive to Alan Kay's work.)