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Herbert William Lewin (c1878-1947)
1948 Obituary 
"Major HERBERT WILLIAM LEWIN, M.A., after a course of study at the Royal School of Mines, South Kensington, joined the Royal Engineers and served for a year in the South African War. On his return to this country he proceeded to Clare, Cambridge, and spent four years in the university engineering laboratory, graduating B.A. in 1905. He then served an apprenticeship in the Crewe works of the London and North Western Railway, and as a pupil in the service of the Great Northern Railway gained further experience from 1907 to 1910. He continued with that company for a further five years, being first employed in the drawing office at King's Cross and later on the layout of a light railway. In 1915 he was granted a commission in the Royal Army Service Corps and after five years' service was demobilized with the rank of major.
During the next three years he was employed on mechanical transport duties in the stores department of the India Office. After being engaged in sundry engineering interests he joined the Board of the British "Otto" Ozone Company, Ltd., in 1930, and occupied himself in promoting the adoption of the "Otto" patented process of the purification of water by ozone until the outbreak of the war of 1939-45. During the war he served for three years in the R.A.S.C., and in 1943 he was attached to the Ministry of Supply as a technical journalist. Major Lewin, whose death occurred on 7th October 1947, in his sixty-ninth year, was elected an Associate Member of the Institution in 1919 and was transferred to Membership in 1947. He was also an Associate Member of the Institution of Civil Engineers."