Architecture of the United States New York City's Woolworth Building designed by architect Cass Gilbert, 1913. Raising previous technological advances to new heights, 793 ft (233 m), it was the world's tallest building until 1930. Frank Woolworth was fond of gothic cathedrals. Cass Gilbert constructed the office building as a cathedral of commerce and incorporated many Gothic revival decorative elements. The main entrance and lobby contain numerous allegories of thrift, including an acorn growing into an oak tree and a man losing his shirt. The popularity of the new Woolworth Building inspired many Gothic revival imitations among skyscrapers and remained a popular design theme until
C. P. H. Gilbert Gilbert began practicing as an architect in New York City, and received commission to design buildings of all kinds. One of Gilbert's first projects was the design of fourteen brownstone rowhouses that now form a part of the Manhattan Avenue Historic District. Gilbert designed the block for Hoboken developer John Brown in 1886. Another noteworthy building was the 1888 Richardsonian Romanesque mansion at Eighth Avenue and Carroll Street in Park Slope, Brooklyn for Thomas Adams Jr., a chewing gum magnate. From 1893 on, Gilbert had a very large business, which grew steadily. In addition, he was a director or a