Rev. Dr. Douglas E. Busby is both a physician and a theologian. With an M.Sc. in Biophysics and as a board-certified specialist in Aerospace Medicine, he has had extensive experience in research, especially on human protection and performance in hostile environments. He has also had a life-long interest in spiritual healing, which for the past 15 years has included personal study of the remarkable healing ministry of the Brazilian spiritist healer, John of God. Currently he writes, lectures and preaches on and provides support for spiritual healing. Rev. Dr. Busby and his wife, Christina R. Dougherty, an energy medicine practitioner, live in Valparaiso, Indiana, USA.