What were the basic ideas and who were the important people behind the early approaches known as Gestalt, psychoanalysis, and behaviorism? What are the basic ideas behind the seven modern...

What were the basic ideas and who were the important people behind the early approaches known as Gestalt, psychoanalysis, and behaviorism? What are the basic ideas behind the seven modern perspectives, as well as the important contributions of Skinner, Maslow, and Rogers?