Between 1828 and 1833 William Wallen exhibited artwork at the Royal Academy, London. Unlike other exhibiting architects, William described himself as a ‘painter’. His exhibits included several depictions medieval buildings,Webster C.(2010) Dover Castle Graves, A. 1906, The Royal Academy of Arts; A Complete Dictionary 1769 to 1904 , Vol VIII, London: Graves & Bell. and four views being part of a series depicting the demolition of old London Bridge.Academy of Arts 1832, The Exhibition of the Royal Academy, London: W Clowes
