James Leslie Mennell died in Toronto, Ontario, on April 14th, 1935, at the age of 55.
He received his technical training at the Royal School of Mines, where he graduated with the Associateship in Metallurgy in 1899. At the beginning of 1900 he was appointed chemist at the Frodingham Iron and Steel Works, North Lincolnshire, but in 1901 he went to Mexico, where he spent about twelve years, in various capacities, in the employment of the Mexican Gold and Silver Recovery Co., the Mezquital Gold Mines, the Buena Vista Mines, and the Compania Metalurgica y Beneficiadora.
He then went to Chile and Bolivia as engineer for Messrs. Charles Butters & Co., Ltd., and subsequently was in London for some time as Metallurgical engineer for the same company. In 1925 he went to Canada where he engaged in reporting and examination work on the Sherritt Gordon, Beattie, and McWatters mines, and plans for the development of the Rose Lake property. From 1929 onwards he was consulting engineer to Anglo-Huronian, Ltd.
Mr. Mennell was elected a Member of the Institution in 1920.
Vol. 45, Trans IMM 1935-36, pp.517-18
