Thomas Ross: Architect born 1839 in Errol the son of a tenant farmer, he was apprenticed at the Glasgow office of architects Alexander Kirklord and Charles Wilson. Subsequently, he joined the firm of David MacGibbon in Edinburgh in1862. By 1872 he was a partner in that firm. Much of his important work was restoration projects. A founder member of the Royal Commission on the Ancient and Historical Monuments of Scotland, to which the later part of his life was devoted. He died in 1930.