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Roy Hellyer (1921-1951)
1952 Obituary 
"ROY HELLYER, B.Sc., Wh.Sc., whose untimely death on 17th April 1951 terminated a career of great promise at the early age of thirty, was elected a Student of the Institution in 1939 and transferred to Graduateship in 1945 and to Associate Membership in 1951. He received his general education at the Royal Portsmouth Dockyard School and served his apprenticeship in the dockyard from 1935 to 1939, where he gained a Whitworth Scholarship. He then took an engineering course at London University, where he studied with distinction, and graduated B.Sc. with first-class honours. From 1942 to 1946 he served in the R.N.V.R. with the rank of lieutenant (A.). After acting as assistant engineer in the dyestuffs division of Imperial Chemical Industries, Ltd., Huddersfield, for a brief period he was engaged in a similar capacity by the Ministry of Works, with responsibility for the detailed design, construction and general supervision of effluent plant at the Atomic Energy Research Establishment at Harwell.
Since 1948 Mr. Hellyer had been one of the engineers responsible to the head of the pile operating group for the general control and operation of the British Experimental Graphite Pile. He was promoted to senior scientific officer in 1951."