Magnum’s archive of film imagery includes a large part of the history of cinema - the product of its photographers working on film sets capturing behind-the-scenes moments and photographing film directors, actors and actresses on and off camera, for over 60 years. Individual Magnum photographers forged friendships with movie stars, getting the kind of unchecked access no longer conceivable to today’s celebrities. In 1972, during the filming of American Graffiti, Dennis Stock was invited on set to photograph. Stock shot 12 rolls, capturing the ensemble cast of Harrison Ford, Richard Dreyfuss, Cindy...