EntertainmentBob Gruen’s Iconic Rock ‘n’ Roll Photography: John Lennon, Mick Jagger, and MoreGalleryFrom Joan Jett to Mick Jagger, see the best of Bob Gruen’s iconic rock ‘n’ roll photos.Updated Jul. 12, 2017 1:42PM ET / Published Mar. 29, 2014 5:45AM ET Bob Gruen