thing is that acceptance is gaining steadily, and the usage is really increasing very rapidly. >> in l.a., we were all kind of smoking god's herb, whereas up in san francisco it seemed like they were experimenting more with mind expansion, you know. >> ken kesey took classes of writing at stanford university, and he writes the great novel "one flew over the cuckoo's nest," and this makes kesey a celebrity. >> while at stanford, i was given the opportunity to go to the stanford hospital and take part in the lsd experiments. >> kesey had volunteered to do tests for lsd, a government sponsored test. >> lsd was isolated by stolan hofmann in a sandos pharmacy company of basel, switzerland. >> do you feel happy? >> yes.