This document discusses key people and ideas associated with cognitivism. It outlines Noam Chomsky, Jean Piaget, David Merrill, Charles Reigeluth, Roger Schank, and J.M. Scandura as important figures in the development of cognitivism. Piaget's four stages of cognitive development and Merrill's Component Display Theory are explained. Classroom implications with and without technology are provided, focusing on engaging students in cognitive tasks appropriate for their developmental level.