YOUR BRAIN IS GOD offers the inside story on how the Harvard-Millbrook psychedelic research project moved from the scientific to the religious arena. After professors Timothy Leary and Richard Alpert were expelled from Harvard, they came to understand that the US Constitution protected religious practice, but not scientific exploration. The only way in which consciousness-change experiences could be discussed was in terms of the philosophic-religious. The adventure that ensued is described here in Leary's own words.