can you tell me some other projects that he has worked on other than the headquarters?
Rockefeller Center, Metropolitan Opera House, Empire State Plaza, United Nations complex, etc
Wallace Harrison
Harrison participated with the architectural teams designing the art deco Rockefeller Center complex in New York City, completed in 1939. His brother-in-law was married to John D Rockefeller'Jr's daughter, Abigail and Harrison serve as a designer and architectural adviser for Nelson Rockefeller, notably in the years when Rockefeller was governor of New York.

In 1941 Harrison joined with Max Abramowitz to form the firm of Harrison & Abramowitz. In partnership with Abramovitz, Harrison designed scores of university and corporate buildings, including the Time & Life (1959) and Socony-Mobil (1956), both designated New York City landmarks.

Among Harrison's most noted projects are the Metropolitan Opera House at the Lincoln Center for the Performing Arts and the Empire State Plaza in Albany; he also served as Director of Planning on the United Nations complex, which was built on slaughter-house property contributed by the Rockefeller family (the Rockefellers owned the Tudor City Apartments
the country where the headquarters of the united nations is located New York City when was this established? 1952 who designed this building? Wallace Harrison where is he from? America
wiki:5372445
Wallace Harrison [SEP] Career
Harrison's work in the mid-twentieth century comprised large, modernist public projects and office buildings. As a young man, Harrison took classes in engineering at Worcester Polytechnic Institute and in architecture at the Boston Architectural Club; he studied at the École des Beaux-Arts in the early 1920s and won the Rotch Taveling Scholarship in 1922. He worked for McKim, Mead & White and Bertram Grovesnor Goodhue from 1916 to 1923, and later formed a series of architectural partnerships. Harrison participated with the architectural teams designing the art deco Rockefeller Center complex in New York City, completed in 1939. His brother-in-law was married to John D Rockefeller'Jr's daughter, Abigail and Harrison serve as a designer and architectural adviser for Nelson Rockefeller, notably in the years when Rockefeller was governor of New York.