As the 1960s began, psychedelic therapy seemed poised to become a significant new treatment on a global scale even as the science of psychedelics remained a relatively small and esoteric field, one that had largely grown out of the ethos of the Macy circle. In just a few years, however, the field would be torn apart by internal conflicts and external pressures. What had once been conceivable as a unified project would fracture into mutually hostile camps. The hippies versus the spies. The skeptics versus the true believers. And Timothy Leary would be standing at the center of the fault line.
