Stotherd Thomas Richard Smith Mitchell was born at Cadders Parish on the 1 November 1897 , the son of John Mitchell a law clerk. He studied at the University of Glasgow graduating in 1922 as BSc, in 1926 as PhD, and in 1931 as DSc. In 1927, he became an assistant in the Department of Physical Chemistry at the University. In 1933 , he became a lecturer in Physical Chemistry, a post he held until 1963. He died on the 4 August 1980 at Bishopbriggs.
From the guide to the Papers of Stotherd Thomas Richard Smith Mitchell, 1897-1980, lecturer in Physical Chemistry 1933-1963, University of Glasgow, Scotland, 1912-c1970s, (Glasgow University Archives Service)