John H. M. Sykes (c1906-1966) Assoc.I.E.E.
1966 Obituary[1]
"We have heard with regret that Mr. J. H. M. Sykes, Assoc.I.E.E., died on November 20 at the age of sixty. John Sykes received his early engineering training in the L.M.S. railway workshops at Harwich. After a period with A. Reyrolle and Co. Ltd. as a draughtsman he joined Siemens Brothers Ltd. as an assistant cable engineer. He gained close, first-hand experience of electrical transmission in the early days of the British 132kV grid, as assistant section engineer and then section engineer, stationed at Bedford with the Central Electricity Board. In 1952 he established and became editor of Direct Current, an international quarterly journal devoted to conversion equipment, with a unique coverage of the development of high-voltage d.c. transmission of power."