Instead of studying troubled clinical cases, he studied normal individuals, including Thomas Jefferson, Abraham Lincoln, and Eleanor Roosevelt, and based his theories on common traits he encountered in their histories.  
His papers were published posthumously as The Farther Reaches of Human Nature.  Instead of studying troubled clinical cases, he studied normal individuals, including Thomas Jefferson, Abraham Lincoln, and Eleanor Roosevelt, and based his theories on common traits he encountered in their histories.  In Toward a Psychology of Being and Motivation and Personality, he put forth the idea that each person has a hierarchy of needs which must be satisfied.  FTP, identify this proponent of the theory of self-acutalization.
His papers were published posthumously as The Farther Reaches of Human Nature.  
Abraham Harold Maslow