Kenneth Smith, writing under the name Ken Eagle Feather, has published several books on Toltec philosophy, including On the Toltec Path and Toltec Dreaming. He apprenticed with Toltec shaman don Juan Matus and has served on the staff of the Association for Research and Enlightenment, part of the Edgar Cayce legacy, and also on the staff of The Monroe Institute, founded by consciousness researcher Robert Monroe. He is the executive director for Therapeutic Discovery, a medical science research institute, and lives in Richmond, Virginia.