At its key, A Class in Wonders is really a channeled function, and their roots are shrouded in mystery. Helen Schucman, a scientific psychologist, and William Thetford, an investigation psychologist, worked in the 1960s to transcribe the internal dictations that Schucman said to get from an inner voice she recognized as Jesus Christ. The method of receiving and saving these communications spanned seven decades and resulted in the three-volume book called A Course in Miracles.