The original and vastly influential ideas of Erik H. Erikson underlie much of our understanding of human development. His insights into the interdependence of the individuals' growth and historical fiction change, his no...The original and vastly influential ideas of Erik H. Erikson underlie much of our understanding of human development. His insights into the interdependence of the individuals' growth and historical fiction change, his now-famous concepts of identity, growth, and the life cycle, have changed the way we perceive ourselves and society.