Happy Birthday Henry Hardenbergh!! New York architect was born in 1947 on this date. After apprenticing with New York architect firm, Hardenbergh set up his own practice, receiving contracts through family contacts before gaining recognition as one of our countries most innovative architects of the late 19th century. Hardenbergh designed the Waldorf and Astoria Hotels which were eventually torn down to make room for the Empire State Building. Hardenbergh designed the famed Plaza Hotel in New York, which still stands today adjacent Central Park. The building is characterized by its white, glazed brick and copper and slate roof.