Background
He was the son of the collector and bibliophile Harold T. Hartley (1851–1943), and was educated at Dulwich College, and Balliol College, Oxford.
Physical chemist Appointed Assistant
He was the son of the collector and bibliophile Harold T. Hartley (1851–1943), and was educated at Dulwich College, and Balliol College, Oxford.
Balliol College; Dulwich College.
He moved from academia to important positions in business and industry. As a tutor at Balliol, he supervised the research of Edmund Bowen and Cyril Hinshelwood. He was appointed an Officer of the Order of the British Empire in the 1918 Birthday Honours.
He was Bedford Lecturer in Physical Chemistry, at Balliol College, University of Oxford.
He was elected a Fellow of the Royal Society in May, 1926. His candidacy citation read: "Distinguished for his investigations in physical and mineralogical chemistry, including electrical conductivity, ionisation, and electrolytic equilibria in aqueous and non-aqueous solutions.
Has greatly contributed by his own work and that of his pupils to the building up of a notable school of physico-chemical research at Oxford. During the war and afterwards has done valuable work in connection with gas services.
Acted as Chemical Adviser to the Third Army in France.
Appointed Assistant Director of Gas Services, GHQ. Later appointed Controller of Chemical Warfare Department, with the rank of Brigadier-General". He gave the address "Manitoba"s Use of Energy" as president of the British Association for 1949–1950. Hartley was married in 1906 to Gertrude, eldest daughter of Arthur Lionel Smith, who was later Master of Balliol College.
Royal Society.