Hay Frederick Donaldson

{{Short description|British Army general}}

{{Use dmy dates|date=February 2023}}

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Brigadier-General Sir Hay Frederick Donaldson {{postnominals|country=GBR|size=100%|KCB}} (7 July 1856 – 5 June 1916) was a Colony of New South Wales-born English mechanical engineer.

He was born at Sydney, Colony of New South Wales, son of Sir Stuart Alexander Donaldson, the first Premier of New South Wales. He was educated at Eton College, Trinity College, Cambridge, University of Edinburgh and Zurich University.{{acad|id=DNLT877HF|name=Donaldson, Hay Frederick}}

Initially employed at the London and North Western Railway locomotive works at Crewe, Cheshire, he worked on railway and harbour construction at Goa, India, from 1884 to 1887, and on Manchester Ship Canal from 1887 to 1891. He was Chief Engineer at London's India Docks from 1892 to 1897.

Alongside his latter two projects, he was based as Chief Mechanical Engineer at the Royal Ordnance Factories, Woolwich, from 1889 to 1903, during which period he also served as its Deputy Director-General in 1898–99. He was appointed Director-General in 1903 and continued until, in the First World War, he resigned to take up his last appointment, as Chief Technical Adviser to the Ministry of Munitions, then headed by David Lloyd George, in September 1915.[http://firstworldwar.com/feature/kitchenersloststaff/htm]{{dead link|date=January 2018 |bot=InternetArchiveBot |fix-attempted=yes }} Feature "Kitchener's Lost Staff". He was also commissioned in the army with the rank of brigadier-general.

He was made CB in 1909 and promoted to KCB in 1911. He was president of the Institution of Mechanical Engineers in 1913 and 1914.

He was one of the advisers selected to accompany the Secretary of State for War Lord Kitchener on a mission to Russia in June 1916 and perished, aged fifty-nine, with all but 12 others when their ship, {{HMS|Hampshire|1903|6}}, struck a German mine off the Orkney Islands. His body was never recovered and he is commemorated on the Commonwealth War Graves Commission's Hollybrook Memorial at Southampton, Hampshire.[http://www.cwgc.org/find-war-dead/casualty/751971571/DONALDSON,%20Sir%20HAY%20FREDERICK] CWGC Casualty Record. Retrieved 26 February 2013

On 15 July 1884, he married Selina Beresford (1859–1938), daughter of Colonel Marcus Beresford MP. They had three children.