Viktor Frankl
Holocaust Survivor, developer of Logo Therapy, the importance of having meaning in life.
Kurt Lewin
Father of T-groups, 'sensitivity training' based on social psychology. His emphasis on the importance of group membership led to Judith Weinstein Klein's work on Jewish Ethnotherapy.
Abraham Maslow
Best known for his hierarchy of needs, survival, safety, belonging, self-esteem, and self-actualization, Maslow also developed the idea of the "Jonah Complex" - the avoidance of achieving our highest hopes and goals out of fear of success/failure.
Jacob Moreno
His development of psychodrama emphasizes the ability to safely re-enact past moments to achieve a better outcome. The emphasis on 'the here and now" experience was shared with Fritz Perls. Psychodrama is the foundation for bibliodrama taught by Peter A. Pitzele as the means of experiencing biblical text.