At its key, A Program in Wonders is a channeled function, and its beginnings are shrouded in mystery. Helen Schucman, a scientific psychiatrist, and Bill Thetford, a research psychologist, collaborated in the 1960s to transcribe the internal dictations that Schucman claimed for from an internal voice she determined as Jesus Christ. The process of receiving and showing these communications spanned seven years and resulted in the three-volume guide known as A Class in Miracles.