The final installment in a three-part series taking a closer look at photography in the Whitney’s collection, this exhibition focuses on works by conceptual artists of the late 1960s and early 1970s. During that time, photography became a favored medium (along with video) for art that placed more importance on concepts than on aesthetic and material concerns and rejected the necessity of the gallery or museum as a primary site of exhibition. The presentation features work by Mel Bochner, Adrian Piper, Bruce Nauman, Michael Heizer, and others