There are at least four artists with this name: (1) John Towner Williams (film score composer)
(2) John Christopher Williams (classical guitarist)
(3) John Williams (Irish musician)
(4) John Williams (blues/jazz guitarist)
(5) John Knowles Williams
(1) John Towner Williams (born February 8, 1932) is one of the most widely recognized composers of film scores. As of 2006, he has received forty-five music-related Academy Award nominations, an accomplishment surpassed only by Walt Disney. Early scores and compositions are credited as Johnny Williams.