George Champlin Mason was an American architect born in 1820 in Newport, Rhode Island. He is best known for his work in the Gothic Revival style, which was popular in the 19th century. Mason designed several notable buildings, including the Trinity Church in Newport and the Newport Casino, which played a significant role in the development of the area as a summer resort. Mason's architectural contributions extended beyond just buildings; he was also involved in urban planning and landscape design. His work reflected a blend of functionality and aesthetic appeal, making him a prominent figure in American architecture during his time. He passed away in 1872, leaving a lasting legacy in the field.