Philadelphia-based architect Samuel Sloan created this building, also known as Nutt's Folly?
Samuel Sloan (architect) Samuel Sloan (March 7, 1815 – July 19, 1884) was a Philadelphia-based architect and best-selling author of architecture books in the mid-19th century. He specialized in Italianate villas and country houses, churches, and institutional buildings. His most famous building—the octagonal mansion "Longwood" in Natchez, Mississippi—is unfinished; construction was abandoned during the American Civil War.
Witherspoon Building Witherspoon Building is a historic office building located in the Market East neighborhood of Philadelphia, Pennsylvania. It was designed by architect Joseph M. Huston (1866–1940) and built between 1895 and 1897. It was built for the Presbyterian Board of Publications and Sabbath School Work. It is an 11-story, steel frame "E"-shaped building, faced with brick and granite. It has terra cotta decorative elements. Its exterior features Corinthian order and Ionic order columns, statues, medallions, seals of various boards and agencies of the Presbyterian Church and of related Reformed churches. It is named for John Witherspoon (1723–1794), founder of Princeton University.