You may not know the name Bob Gruen, but chances are you've seen his photographs. Gruen was John Lennon's personal photographer and even shot the iconic photo of Lennon in his New York City shirt. News 12's John Bathke caught up with Gruen at the Morris Museum in Morristown, New Jersey, where Gruen is having the first-ever museum exhibit of his photographs. Gruen and Bathke discuss rock music, photography, Gruen's start photographing Tina Turner and his time with John Lennon.