Sir Douglas Strutt Galton KCB, GCB, F.R.S., MStJ, Chevalier of the Légion d'Honneur, DCL, LLD (2 July 1822 – 18 March 1899) was a British engineer. He became a captain in the Royal Engineers and Secretary to the Railway Department, Board of Trade. In 1866 he was a member of the Royal Commission on Railways. From 1869 to 1875 he was Directory of Public Works and Buildings.
More information on the Wikipedia page [1]. The Worcester Cathedral page is [2] and the ICE Virtual Library page is [3].