Robert Hunter Campbell (c1871-1937)
1872 Born in Edinburgh
1937 Obituary 
ROBERT HUNTER CAMPBELL was engaged in chemical engineering for almost the whole of his career. He specialized in the design of liquid carbonic acid gas plants and liquid-gas containers. He had a distinguished career as a student at Mason's College, Birmingham, and at the Midland Institute. In 1886 he entered Messrs. Taylor and Challen's works, where he served his apprenticeship. Nine years later he went to Zurich, and joined Messrs. Escher, Wyss and Company, for whom he took charge, under the direction of M. Zoelly, of the organization of the tool room and of the installation of new machinery. He carried out investigations for the Niagara Falls hydro-electric power installation and compiled the report on the scheme which his firm submitted to Professor Unwin. He designed several special machine tools and labour-saving devices and on the firm's behalf he installed plant for the manufacture of liquid gas capsules, for the Soda Fabrik, Zurich. In 1898 he was appointed technical director of The Continental Sparklets Company, Ltd., Brussels and Paris, and four years later he became engineer and manager of Messrs. Aerators, Ltd. (now Sparklets, Ltd.), of Edmonton. He was connected with the firm for the remainder of his life. In 1911 he was appointed engineer and general manager and in 1916 he was made technical director, in charge of the works. During the War he organized the works for the mass production of cartridges. He designed and installed plant which produced 1,500,000 cartridges per week, and carried out experiments on tracer bullets, subsequently installing plant for their manufacture, at the rate of 660,000 per week. After the War Mr. Campbell also held the position of works director. He retired in 1935, the firm retaining his services as consulting engineer.
In 1920 he was elected an Associate Member of the Institution and was transferred to Membership in 1927. His death occurred at Bush Hill Park, Edmonton, on 22nd January 1937, in his sixty-sixth year.