For decades, the U.S. government banned medical studies of the effects of LSD. But for one longtime, elite researcher, the promise of mind-blowing revelations was just too tempting.

Steve Jobs believed this:

In surveys administered shortly after their LSD-enhanced creativity sessions, the study volunteers, some of the best and brightest in their fields, sounded like tripped-out neopagans at a backwoods gathering. Their minds, they said, had blossomed and contracted with the universe. They’d beheld irregular but clean geometrical patterns glistening into infinity, felt a rightness before solutions manifested, and even shapeshifted into relevant formulas, concepts, and raw materials.

Jobs took LSD 15 times: http://www.newser.com/story/148089/steve-jobs-lsd-changed-my-life.html