Sol power: Megalandlord’s property empire subject of exhibit at the Tate

In the days before ACRIS and internet sleuths, Sol Goldman’s Manhattan property empire was cloaked in near-total secrecy, its only paper trail lying unassembled inside the dusty filing cabinets of the New York county clerk’s office. In 1972, at the height of Goldman’s dominance and notoriety, Hans Haacke decided to piece it all together. Building by building, Haacke, a German-born artist, sketched a treasure map documenting the location, purchase price and ownership entities of the