Alfonse Henri Sinn died in France in 1940 when over 70 years old.
He was born in Switzerland, obtained the B.Sc. degree at Powonbray (Borne) in August, 1889, and spent some months of 1891 studying at Clausthal in Germany. He then went to South America and was appointed naming engineer to the Société des Mines de Cuivre de Cutémon in Chile. For six yours he practised as consulting engineer in Valparaiso, after which he went to Oruro, Bolivia, as chief engineer of the Sun José mine.
In 1899 he was appointed manager of the Colorado tin mine and Sorabella concentrating plant at Machacamarea, and some ten years later took up an appointment in Chile with Dellarocca Chemische Fabriken A.G. at Taltal. In 1910, Mr. Sinn returned to Switzerland but since 1913, when he settled in France, he had been living in Paris.
He was elected to Membership of the Institution in 1902.
Vol. 57, Trans I.M.M., 1947-48, p.478
