Dr. Wickland wrote another book Gateway of Understanding which was published in 1934. After Wickland's death on November 13, 1945, a man named Wing Anderson, a pioneer in his own right in sleep suggestion therapy for the correction of psychosomatic ills, purchased the copyrights of both books. | Dr. Wickland wrote another book Gateway of Understanding which was published in 1934. After Wickland's death on November 13, 1945, a man named Wing Anderson, a pioneer in his own right in sleep suggestion therapy for the correction of psychosomatic ills, purchased the copyrights of both books. |