The Breuer Building has been home to three different museums since its construction in 1966: first the Whitney, which still owns the property, then it was a branch of the Met for four years, and now it’s the temporary home of the Frick Collection while that organization’s own building undergoes renovations. But even as exhibits have rotated in and out, ranging from European masters to American sculpture to ephemeral performance art, one piece of sculpture has remained with the building, hidden away in the main stairwell. On the landing between…
