Frank Butler-Jones was killed by Japanese troops during the occupation of Thailand in 1942, at the age of 50.
He entered St. John’s College, Cambridge, in 1911 and obtained his B.A. degree in chemistry, physics and mineralogy in 1914. In June of that year he was appointed assistant research metallurgist with Minerals Separation, Ltd., and from 1915 to 1919 he was engaged as assistant analyst in the Raw Materials Section of the Department of Explosives Supply, Ministry of Munitions. He then returned to Minerals Separation, Ltd., for whom he worked as senior research metallurgist until 1925, and from then until 1927 he was engaged on special work at the Science Museum, South Kensington.
He then went to Siberia for the Totiuhe Mining Corporation, Ltd., as assistant and acting mill superintendent. From 1930 to 1933 he was engaged on research work on flotation and on the copper segregation process for Minerals Separation, Ltd., and since 1933 was employed by the Siamese Tin Mines, Ltd. (later renamed Thailand Tin Mines, Ltd.) on the investigation of tin extraction processes.
He was elected to Associateship of the Institution in 1931.
Vol. 52, Trans I.M.M. 1942-43, pp. 392-3
