One of the few pre-World War II apartment towers to rise a bit above the 15-story height of most of the avenue’s apartment buildings, this 18-story apartment building was designed by Rosario Candela for developer Charles Newmark.

The building, which has a four-story limestone base, replaced an apartment house known as the Sunnyside and according to James Trager’s book, "Park Avenue, Street of Dreams," (Atheneum, 1990), "was sometimes itself called the Sunnyside."

Candela is widely considered to have been the country’s greatest designer of luxury apartment buildings and he collaborated with many of the city’s most famous architectural firms.

Candela’s buildings, "it is said, were the grandest of the decade that was itself the greatest," wrote Elizabeth Hawes in her book, "New York, New York, How The Apartment House Transformed The Life Of The City (1869-1930)," published by Henry Holt in 1993.

"He had a respect for privacy and an eye for significant detail. He was a complete thinker. He added duplicate water connections to street mains and multiple switches for ceiling lights as well as beautifully turned staircases and separate wine cellars. More significantly, he designed buildings from the inside out. He placed windows where they received light, balanced a room, or allowed a graceful arrangement of furniture....Candela also invested unusual energy in the entry hall. In a typical apartment, he made it a full-sized room with rich views into the interior because he...