Leo Buscaglia, commonly known as Dr. LOVE, was an American author and motivational speaker. He wrote several books on the topics of LOVE and human relationships, including 'Living, Loving & Learning' and 'LOVE'. He was also a professor at the University of Southern California for over 20 years. His work focused on the importance of expressing LOVE and affection in order to create meaningful relationships. He believed that everyone should be loved and accepted for who they are.