There is NO greatest as they are ALL GOOD but try Martin Barre (Jethro Tull) John Fogerty (Ex Creedence) and Prince

by Terry
(Australia)

Ok Prince can play anything on guitar and very very well. Fogerty has many diverse sounds and styles including able to play about 23 instruments and Martin Barre from Jethro Tull is a supurb technition (take a look for yourselves) these 3 are not your every day name dropping one technique players.