At just 30 years old, Maslow joined the Blackfoot Tribe to test his theory that social hierarchies are maintained by dominance. Instead, he found a society built on restorative justice ...

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.

From Aristotle to Sigmund Freud and Abraham Maslow, countless theories and concepts for understanding personality have been proposed. Throughout history, these and other great minds sought to ...