“Is intelligence related to an increased likelihood of recreational drug use? It’s an interesting hypothesis, and one that’s been gaining momentum in recent years. If a definitive link between intellectual capacity and drug use does exist, it will likely be some time before anyone establishes one. Having said that, this much is for certain: history has more than its fair share of experimenting experimentalists. Let’s meet 10 of history’s most influential scientific and technological visionaries, along with their drugs of choice.”
http://www.alternet.org/drugs/10-geniuses-who-used-drugs-and-their-drugs-choice?paging=off