Reginald Mountain

[2] He served as an officer of the British Army's Royal Engineers during the First World War.

[3] He left the regular army and was placed in the Royal Engineers Special Reserve of Officers on 1 July 1921.

[4] He remained in the reserve and was promoted to Lieutenant on 7 August 1925 with his seniority backdated to 16 April 1923.

[3] By 1931 Mountain had become an Associate Member of the ICE and was involved in hydro-electric energy and electricity systems.

Mountain continued to publish academic papers on subjects relating to hydroelectricity including a description of the method of electricity transmission used by the Central Electricity Board in Scotland and economic aspects of hydroelectric developments.

Mountain's name on the list of Institution of Civil Engineers presidents, at their One Great George Street headquarters