At their primary, A Course in Wonders is a channeled perform, and its sources are shrouded in mystery. Helen Schucman, a scientific psychiatrist, and Bill Thetford, a study psychiatrist, collaborated in the 1960s to transcribe the inner dictations that Schucman said to receive from an interior style she determined as Jesus Christ. The method of receiving and taking these communications spanned seven decades and resulted in the three-volume book referred to as A Class in Miracles.