"This is a type of acid (LSD) that was engineered by LSD chemist Owsley Stanley. The super pure acid that Owsley produced was a staple of the Bay Area scene in the mid to late 60′s, showing up at Grateful Dead shows."
Owlsey was pointed out to me backstage, in the catering area, at the first Dead show I ever worked. Our production manager told me not to eat the spaghetti. The sauce could be dosed, said happened to him once.
Owsley Stanley, left, with Jerry Garcia of the Grateful Dead