One of the city’s most distinguished post-World War II apartment houses, Butterfield House is situated on one of the loveliest blocks in the city. Designed by William J. Conklin and James S. Rossant of the architectural firm of Mayer, Whittlesey & Glass, the through-block building has an elevation of 7 stories on 12th Street and 13 stories on 13th Street. Conklin and Rossant subsequently formed their own firm, Conklin & Rossant. The building was approvingly described as "the friendly neighborhood high-rise" by Elliot Willensky and Norval White in their book, "The A. I. A. Guide to New York City," (Harcourt Brace Jovanovich, 1988). Indeed, the 12th Street façade is stunning with its projected, large bay windows and balconies and muted tones conveying an airy sense of graciousness whose modernity not only does not conflict with the street’s handsome brownstones but enhances it with its jewelly reflections. Ideally, this façade could have been only 5 stories tall to confirm to the general brownstone height, but the difference is slight and the two extra floors have impressive views. The façade on 13th Street, which has several commercial buildings, is less dramatic and quite flat. The handsome and deep bay windows are the most noticeable external feature of the building, but the lobby and the long passageway to the 13th Street wing are extremely lovely and elegant with a glazed courtyard in the middle. The 13th Street wing has many balconies that face south towards the...