The 22 acre complex located between 48th and 51st streets in New York City was designed by what architect?
Julian Street, Jr. residence:  The house was designed by the New York architect Wallace K. Harrison for Julian Street, Jr. and his wife, Narcissa, in 1938. 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.
i don't know