Khasai Aliyev is a psychiatrist, psychologist, author of scientific monographs, general director of the Center for Protection from Stress. The method of psychophysiological self-regulation he invented, the Key, is widely known throughout the world and is one of the effective ways to manage a person’s internal resources. The method is actively used by athletes, officers in “hot” spots, and employees of the Ministry of Emergency Situations. The famous writer Alexandra Marinina described Dr. Aliyev in her novel “The Phantom of Music.”