Dr. Noyes, practiced in Forest Grove, Oregon forty years, retiring in 2000. Served as US Army physician in Vietnam 1967-68; In 1971 he was the surgeon for a mission hospital in Phuket, Thailand; He received a Master's Degree of Public Health in 1979. His special interest in medicine has been nutrition and preventive medicine and for forty-five years conducting seminars. These seminars have been conducted in USA and several other countries. Since 1971 Dr. Noyes researched the origin and foundational principles of the New Age alternative medical therapies in order to gain an understanding in depth. This information is presented in this book.

Dr. Boyd O. Gray grew up on a Missouri farm where his father pastored churches and he became intrigued with events of the end times. After spending twenty years in the military, Dr. Gray graduated from Southeastern Baptist Theological Seminary in 1979. Since then, he has enjoyed a lengthy career as a pastor. Dr. Gray currently lives in Missouri.