Anthony Frank Iommi (/aɪˈoʊmi/; born 19 February 1948) is an English guitarist, songwriter, and producer. He was lead guitarist, co-founder and leader of heavy metal band Black Sabbath, and was the band's primary composer and sole continuous member for nearly five decades. Iommi was ranked number 25 in Rolling Stone magazine's list of the "100 Greatest Guitarists of All Time". In 2011, he published his autobiography, entitled Iron Man: My Journey Through Heaven and Hell with Black Sabbath.