This 900-foot aluminum and glass skyscraper is the fourth tallest building in New York and the tenth tallest in the world. The entire structure rests on a central core and four outriding column-like towers. A computer driven load mass damper enables the reduced number of vertical supports and ensures the stability of this complex structure. Double-decker elevator cars reduce the area devoted to the vertical circulation core, leaving more space available for offices. With so few interior columns, ample room is available for numerous amenities, such as a six-story retail wing and a sunken plaza that leads directly to the subway. Plans for creating residential space on the upper floors were abandoned due to zoning restrictions. Regardless, as a mixed-use complex, this building has more in common with Art Deco skyscrapers than with the purely corporate structures of the International Style. The obliquely slanting roof--originally designed to hold solar panels--embodies another break with the practices of corporate high modernism. Standing out among the flat-roofed prisms of midtown, Citicorp's pitched roof has become a symbol of the corporation, a marker of corporate identity in an emerging area. The building's bold presence helped to revitalize the commercial area located to the east of Park Avenue.

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Citicorp Building
Lexington Avenue between 53rd and 54th Streets, Hugh Stubbins & Associates (design architects), Emery Roth & Sons (architects) [1972-78]