Pace is an art gallery synonymous with New York City. Having moved here in the 1960s from Boston, owner Arne Glimcher has built it into something of a dynasty. This September marks the gallery’s 50th year in existence. To celebrate, Glimcher has organized a massive exhibition sprawling across all four of his Manhattan gallery spaces. The show features influential and important paintings from across Pace’s five decade history. The uptown space has been organized into a mini retrospective of notable Pace exhibitions. The other three spaces in Chelsea are ordered based on a rough chronology, featuring contemporary art, abstract expressionism and pop art, and “minimalism and post modern art” respectively.