Original: Francis Anthony Melby '' Tony '' Iommi ( born 19 February 1948 , in Aston , Birmingham , England ) is an English guitarist and songwriter best known as the founding member of pioneering heavy metal band Black Sabbath , and the sole constant band member through multiple personnel changes .
Simplified: Frank Anthony '' Tony '' Iommi ( born 19 February 1948 , in Birmingham , England ) is an English guitarist and songwriter . He is most famous for starting the heavy metal band Black Sabbath .