Arthur Janov

Arthur "Art" Janov (; (August 21, 1924 – October 1, 2017) was an American psychologist, psychotherapist, and the creator of primal therapy, a treatment for mental illness that involves repeatedly descending into, feeling, and experiencing long-repressed childhood pain. He was born in Los Angeles, California. 
Janov directed a psychotherapy institute called the Primal Center in Santa Monica, California. Janov was the author of many books, most notably "The Primal Scream" (1970).
Janov died in his sleep of respiratory arrest after suffering a stroke at his home in Malibu, California on October 1, 2017 at the age of 93.