Before revision: Fourth Way Subtle bodies are found in the "Fourth Way" teachings of Gurdjieff and Ouspensky, which claim that one can create a subtle body, and hence achieve post-mortem immortality, through spiritual or yogic exercises.
After revision: Fourth Way Subtle bodies are found in the "Fourth Way" teachings of Gurdjieff and Ouspensky, who write that one can create a subtle body, and hence achieve post-mortem immortality, through spiritual or yogic exercises.