The 22 acre complex located between 48th and 51st streets in New York City was designed by what architect?
Rockefeller Center Rockefeller Center is a large complex consisting of 19 high-rise commercial buildings covering 22 acre between 48th and 51st Streets in New York City. Commissioned by the Rockefeller family, it is located in the center of Midtown Manhattan, spanning the area between Fifth Avenue and Sixth Avenue.
590 Madison Avenue 590 Madison Avenue also known as the IBM Building, is a 603 ft tall skyscraper at the corner of East 57th Street and Madison Avenue in New York City, New York. It was completed in 1983 and has 41 floors. The building cost US$10 million, has 93592 m2 of floor area, has 24 elevators, and is the 89th tallest building in New York. Edward Larrabee Barnes & Associates designed the building, and IBM developed it. IBM sold the tower to Odyssey in 1994. As of December 2007, 98% of the building is leased.