David F Marks, PhD, has a deep knowledge and understanding of Psychology and the Human Imagination. He has taught Psychology to thousands of students across the world and develope...view moreDavid F Marks, PhD, has a deep knowledge and understanding of Psychology and the Human Imagination. He has taught Psychology to thousands of students across the world and developed innovative techniques for behavior change. Having a Gold Disc in music therapy, David’s 30 books include best-sellers and self-help books across a variety of fields. His hobbies include photography, films, music and wild nature. view less