About Bill Ward (musician)
William Thomas Ward is an English drummer. He is the original drummer of Black Sabbath, co-founding the pioneering heavy metal band in 1969 alongside Ozzy Osbourne, Tony Iommi and Geezer Butler. He has released three solo albums, the most recent being Accountable Beasts in 2015. Bill Ward is credited as one of the four original and founding members of Black Sabbath, having played on the first eight albums with frontman Ozzy Osbourne, dubbed the "Osbourne-era". He started saying he was getting tired..." After Master of Reality, the band traveled to Los Angeles, California to record Vol. 4 at the Record Plant. We needed to take a break, so we decided to make our next record in California, and so some of the sunshine and some of the effects of that bled into Vol. 4.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.