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Charles Adrian Maitland Heriot (1887-1950)
1951 Obituary 
"CHARLES ADRIAN MAITLAND HERIOT spent the whole of his professional career in Argentina, where his death occurred on 26th July 1950, at the age of sixty-three. He was educated at Bradfield College and the Armstrong College of Science, Newcastle upon Tyne, and served his apprenticeship between 1904 and 1908 at the North Eastern Marine Engineering Works and with Messrs. Bott and Stennett, Ltd. He began his career in Argentina in 1909 with the post of assistant engineer to contractors engaged upon the construction of branch lines for the Central Argentine Railway and subsequently was in charge of irrigation works. In 1912 he went into business on his own account and established the firm of Messrs. Adrian M. Heriot and Company, contractors, for whom he acted as general manager and later as managing director. His activities were chiefly directed to railway construction, of which he was in charge for the contractors. During the 1914-18 war he saw service with the Royal Naval Air Service and the Royal Air Force. For the last thirteen years of his life he was working in the south of the Argentine, on roads, irrigation canals, and airfields. Mr. Heriot was elected a Graduate of the Institution in 1907, and transferred to Associate Membership in 1915. He was also an Associate Member of the Institution of Civil Engineers."