The word psychedelic is a neologism coined from the Greek words for "mind," ψυχή (psyche), and "manifest," δήλος (delos).
A psychedelic experience is characterized by the...
Humphry Osmond:
Work with hallucinogens
After the War, LSD was among many new, interesting drugs. Osmond and his colleague John Smythies had perceived a similarity between the...