He crashed a helicopter into Johnny Cash's yard in order to bring you 'Sunday Morning Coming Down'. Dude deserves to be famouser than he is.
http://www.npr.org/templates/story/story.php?storyId=126169194&sc=nl&cc=mn-20100427
I've always thought Leo Kottke was due for hipster recognition as much as John Fahey. Of course, Fahey was a depressive who created a minimalist, purely instrumental style primarily derived from blues, whereas Leo is a showman who's always worked in sort of a flashy country genre, and even sang on occasion.