Israeli author, psychologist, and lecturer Dr. Sam Vaknin is well-known for his narcissistic research and his contentious demeanor. He teaches psychology at Southern Federal University in Russia as a visiting professor. The author of multiple publications, including "Malignant Self-love: Narcissism Revisited," Vaknin has written extensively on a variety of subjects, including foreign affairs, psychology, philosophy, and economics. In addition, he has been embroiled in a number of legal troubles and disputes.