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
Detroit Public Library Arts. Designed by Cass Gilbert, the Detroit Public Library was constructed with Vermont marble and serpentine Italian marble trim in an Italian Renaissance style. His son, Cass Gilbert, Jr. was a partner with Francis J. Keally in the design of the library's additional wings added in 1963. Among his other buildings, Cass Gilbert designed the United States Supreme Court Building in Washington, DC, the Minnesota State Capitol and the Woolworth Building in New York City. A stand-alone public library in Detroit dates back to 1865. An 1842 state law requiring the Detroit Board of Education to open a library resulted