I don't think it would be possible to overstate the influence Philip K. Dick had on my religious outlook. We've made a lot of references to this, and his own odd religious experiences on the site, but here's a comic strip (By R. Crumb!) which tells the story in PKD's own words: http://www.philipkdickfans.com/weirdo/weirdo1.htm Please note that the "Tess" featured in the comic is our own Tessa Dick, longtime friend of our site, and an occasional contributor.
I saw Blade Runner in '83, like everyone else, so I'd heard the name and stumbled across one or two of his short stories, but I didn't really *discover*