Born in Texas. Grew up on a farm. Studied Nature Cure and chiropractic. Became a doctor of naturopathy and a health educator. Supervised more than 30,000 fasts between 1925 and 1970. Published "Dr. Shelton's Hygienic Review." Wrote more than forty books. Operated a health school in San Antonio, Texas. Promoted Natural Hygiene. Much persecuted for his outspoken denunciation of orthodox medicine. Died in Texas.