[ten] As outlined by Olav Hammer, the psychiatrist and bestselling writer Gerald G. Jampolsky has long been amongst the best promoters in the Class. His 1st guide, Really like is Letting go of Worry, which happens to be determined by the rules from the Training course, was revealed in 1979 https://davidhoffmeister.com/david-hoffmeister-the-message/metaphysics-of-a-course-in-miracles/