The works of Abraham Maslow will enjoy a significant resurgence in the near future. Neuro-scientific research will discover tangible brain evidence that many of his suppositions were correct.
http://en.wikipedia.org/wiki/Abraham_Maslow
"Maslow became the leader of the humanistic school of psychology that emerged in the 1950s and 1960s, which he referred to as the "third force" -- beyond Freudian theory and behaviorism."