People News Adam Yauch, Beastie Boys co-founder, dead after cancer battle at 47 05/04/2012 Adam Yauch, a founding member of the New York hip-hop group Beastie Boys, has died, TMZ reported Friday. He was 47. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: