Hay Frederick Donaldson (1856-1916)

Brigadier-General Sir "Hay" Frederick Donaldson KCB (7 July 1856 – 5 June 1916) was an English mechanical engineer.

He was educated at Eton College, Trinity College, Cambridge, University of Edinburgh and Zurich University.

He was Chief Superintendent of the Royal Ordnance Factories, Woolwich, before the First World War and chief engineering adviser to the Ministry of Munitions under Lloyd George.

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 with all but 12 others when their ship, HMS Hampshire, struck a German mine off the Orkney Islands.

He was president of the Institution of Mechanical Engineers in 1913 and 1914.

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