Cass Gilbert Gilbert was a conservative who believed architecture should reflect historic traditions and the established social order. His design of the new Supreme Court building (1935), with its classical lines and small size, contrasted sharply with the large federal buildings going up along the National Mall in Washington, D.C., which he disliked. Heilbrun says "Gilbert's pioneering buildings injected vitality into skyscraper design, and his 'Gothic skyscraper,' epitomized by the Woolworth Building, profoundly influenced architects during the first decades of the twentieth century." Christen and Flanders note that his reputation among architectural critics went into eclipse during the age of modernism, but
Cass Gilbert declined among some professionals during the age of Modernism, but he was on the design committee that guided and eventually approved the modernist design of Manhattan's groundbreaking Rockefeller Center. Gilbert's body of work as a whole is more eclectic than many critics admit. In particular, his Union Station in New Haven lacks the embellishments common of the Beaux-Arts period and contains the simple lines common in Modernism. Gilbert wrote to a colleague, "I sometimes wish I had never built the Woolworth Building because I fear it may be regarded as my only work and you and I both know that