Yesterday (January 20), it was announced that John Sykes – a hugely influential mainstay of '80s hard rock guitar who had stints in Whitesnake, Thin Lizzy, and Tygers of Pan Tang – had died at 65.

John Sykes, guitarist with Whitesnake and Thin Lizzy who co-wrote the hit singles 'Still of the Night' and 'Is This Love,' has died. He was 65.