One of the CIA's unwitting LSD guinea pigs was Ken Kesey, who received $75 to take LSD while working in a Menlo Park psychiatric ward. On that CIA-administered trip, he had the insight that the patients might not be crazy — they just saw the world differently. He wrote One Flew Over the Cuckoo's Nest. MKUltra, meant to create mind control, accidentally seeded the counterculture.