 Through research, he learns of Schutz's interest in a native Peruvian society that had lived in a hidden valley of the Andes, but died out after their water supply was contaminated with a mutagen.The name "steinkopf" refers to a giant stone head the natives built to propitiate their mountain god, in the hope he would lift the curse upon them.The name also describes the natives' affliction, a condition of utter passivity that left them dependent on instructions for all of their activities.