Thomas Austin was an architect active in the mid- to late-19th century. He worked in partnership with Robert James Johnson (born 1832, died 1892) sometime before 1865 until 1867. Austin died around 1875.
Bibliography
Dictionary of Scottish Architects, 'Austin & Johnson', DSA Architect Biography Report <http://www.codexgeo.co.uk/dsa/architect_full.php?id=M007739> [accessed 3 February 2008]