US psychologist Abraham H. Maslow's A Theory of Human Motivation is a classic of psychological research that helped change the field for good. Like many field-changing thinkers, Maslow was not just a talented researcher, he was also a creative thinker - able to see things from a new perspective and show them in a different light. At a time when psychology was dominated by two major schools of thought, Maslow was able to forge a new, third...