Do blind people hallucinate on LSD? « Mind Hacks

I confess, I’ve always wondered about this, although not enough to actually try it. You’d think one of my druggy blind friends could have provided me some insight here, but alas, they’ve let me down. Thanks to @seeingwithsound , I now know the answer.
http://mindhacks.com/2009/11/18/do-blind-people-hallucinate-on-lsd/