correct outline of Aberdeen city in 1810 indicating present and planned improvements. Archibald Simpson returned to Aberdeen in 1813, establishing a business competing with Smith. Both firms were successful despite uncertainties due to the War and their careers were described by Miller as "destined to run remarkably parallel". Although at times rivals, Smith often collaborated with Simpson and between these two men their buildings became the nucleus of establishing the style of the heart of the Aberdeen city centre. As the buildings were constructed from silver granite, the city gained the name of the Silver City or alternatively the Granite City. Smith became known as "Tudor Johnny" as his later designs around the 1830s, particularly for mansions and churches, incorporated a Tudor-Gothic form. However, his civic designs in Aberdeen city remained in a neo-classical style. Miller designates Smith's design for the North Church in Aberdeen as "generally considered to be his greatest building" and further states "Undisputedly by far the finest neoclassical church in the City of Aberdeen." Sited on the corner of Queen Street and King Street the design gained approval from the Town Council in September 1828. The church opened in June 1831 but it was years later before sufficient funding was available to install clocks. A Greek Revival style was used in the construction of the by rectangular building with a circular pepper pot tower set upon a two-stage box tower. It was the tallest building in Aberdeen until its height was surpassed by the spire of the Triple Kirk designed by Simpson. Suitable to seat 1600 at services, congregation numbers declined and the church closed in 1954. It was used as the Aberdeen Arts Centre from the early 1960s. One of the last designs before his death was for Balmoral Castle; he initially did some work re-building the tower for Robert Gordon, 5th son of the 3rd Earl of Aberdeen, who was leasing Balmoral in 1830. Subsequently, he was involved with drawing up the initial plans for the new castle, by this time owned by Queen Victoria and Price Albert after meeting Price Albert on Friday 11 September 1848. After Smith died in 1852 the final designs and work were undertaken by his son William. He is buried with his wife, Margaret Grant, in the churchyard of the Kirk of St Nicholas on Union Street in Aberdeen. Works With a career spanning the years from 1805