This one is a classic... I can hear the cries of BS now! But if you actually read the story and learn just who design engineer was friends with... it all become MUCH more plausible....
Okay, the story here is that a current engineer was working on an old music synthesizer from a Berkley CA school.... when he suddenly began tripping.
As in on LSD. And, quite possibly some top quality stuff!
It helps if you know a bit of drug world history. Read Tom Wolfe's "Electric Cool Aid Acid Test".
But believe it or not here is story; Modern Hacker Dosed With LSD