New York Times architecture critic Ada Louise Huxtable called it "a spectacular tour de force.
In a speech at the dedication ceremony, architecture historian Nikolaus Pevsner bemoaned what he called the structure's oppressive monumentality.
As the building approached its 40th year, appreciation of the structure had increased to the point that Yale began planning a renovation and addition.
[1][5] At the same time, an addition was built with classroom and office space, two lecture theatres, a cafe, and a ground-floor library.
[7] In 2014, the building received the Landmark Plaque, the highest honor bestowed by the New Haven Preservation Trust.