Rick Rubin
AGE: 44
OCCUPATION: Record producer
NUMBER OF TIME COVERS: 0
PREVIOUS APPEARANCES ON THE TIME 100: 0
PRO: Most widely accomplished producer of the past 20 years, recording everyone from Johnny Cash to the Beastie Boys to Justin Timberlake. Won the Producer of the Year Grammy this year.
CON: He lacks technical musical knowledge—he can't read music, nor can he control a mixing board.