#1 New York Times best-selling authord Meltzer The President 's Shadow, House of Secrets delivers a look into the all-too-human lives of superheroes . - You 've undoubtedly heard the term "iden.y cr.," but you may not know its origins. The developmental psychologist Erik Erikson defined eight . - You have probably heard the term "iden.y cr." before and you probably have a fairly good idea of what it means. But where did this idea .