Hay Frederick Donaldson
Brigadier-General Sir Hay Frederick Donaldson KCB (7 July 1856 – 5 June 1916) was a Colony of New South Wales-born English mechanical engineer.
Brigadier-General Sir Hay Frederick Donaldson KCB (7 July 1856 – 5 June 1916) was a Colony of New South Wales-born English mechanical engineer.