Can a garden help this iconic 1980s office building survive?
550 Madison Avenue, the Philip Johnson-designed 37-story office tower, completed in 1984 and often considered the world’s first postmodern skyscraper, is one of those Midtown buildings iconic enough now to be known by its address. Its circle-punched roof pediment was audacious for its time, to say nothing of its pink granite facade, and in 2018, the building was designated a city landmark (mostly to protect it from being razed)....