Ronnie Montrose

Ronald Douglas Montrose was an American musician and guitarist who founded and led the rock bands Montrose and Gamma. He also performed and did session work with a variety of musicians, including Van Morrison, Herbie Hancock, Beaver & Krause, Boz Scaggs, Edgar Winter, Gary Wright, The Beau Brummels, Dan Hartman, Tony Williams, The Neville Brothers, Marc Bonilla and Sammy Hagar.

Biography summary from English Wikipedia, photograph via Wikimedia Commons.