He was one of rock and roll's trailblazers, and most influential axe-wielders.
If you listen to music or watch movies at all, you've heard his "Jack the Ripper" or "Rumble" multiple times.
Few people know his name.
Here's a couple of good places to start:
http://www.allmusic.com/cg/dll, which is a great piece written by the late Cub Koda of Brownsville Station fame, and Steve Leggett.
A killer compilation cd is "Rumble: the Best of Link Wray" on Rhino.