I came across Gil J Wolman yesterday - there's a retrospective show coming up in June at MACBA in Barcelona of his art and poetry. He was one of the big names of Lettrism - the precursor to Situationism where Guy Debord cut his teeth.
I found his sound poetry on ubuweb yesterday and couldnt stop laughing. I'm sure i'm not meant to but it bloody hilarious. Check out this ten minute number: Megapneumies