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Thomas Twynam (c1859-1931), director of of Steel Developments
1931 Obituary 
THOMAS TWYNAM died at Redcar on November 29, 1931, as the result of an accident; he was in his seventy-third year.
He was educated at Bedford Modern School, and subsequently in France and Belgium, where he devoted himself particularly to chemistry, physics and metallurgy.
He then joined the firm of Jones and Aldred, analytical chemists in the City of London, with whom he remained three years, after which he became technical assistant to Sidney Gilchrist Thomas, and later to Percy C. Gilchrist, F.R.S.
During the period 1879 to 1890 his work was mainly devoted to metallurgical investigations with special reference to the manufacture of steel and copper. After some months in the laboratory of Mr. Edward Riley, he was appointed assistant analytical chemist to the Indian Government, in the Chemical Department of the Royal Engineering College, Cooper's Hill, Staines, under Professor Herbert McLeod, F.R.S.
In 1906 the company was transferred to Middlesbrough under the name of Steel Developments, Ltd., and Mr. Twynam was a director and Secretary of this company until his death.
He was elected a member of the Iron and Steel Institute in 1889.