William Mackenzie (1886-1966)
1966 Obituary 
"MR. WILLIAM MACKENZIE, of West House, Beverley, Yorks, an authority on harbour and dock engineering, died at his home at the beginning of October. He was eighty. Mr. Mackenzie was the first chief docks engineer, Humber Ports, under nationalisation.
Early in his career, he was the personal assistant to Sir Cyril Kirkpatrick and he also worked for the Port of London Authority. In 1931 he joined the London and North Eastern Railway as assistant engineer for docks and was promoted in 1947 to chief engineer responsible for Hull, Grimsby, Immingham, Middlesbrough and Hartlepools, a post which he held until the railways were nationalised.
He retired at the end of 1951 and was immediately retained in a consultative capacity by the Dock Authority with which he served until 1960. In 1952, Mr. Mackenzie was appointed a member of the British Transport Docks Board. He was elected an associate member of the Institution of Civil Engineers in 1913 and became a member in 1928. He was also a member of the Royal Engineers Staff Corps."