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Ironmaster, Pittsburgh, Pennsylvania, U.S.A.
1898 Obituary 
THOMAS S. BLAIR, of Pittsburg, died at the age of seventy-three, on October 21, 1898. Born in Kittanning in 1825, he was the son of Thomas Blair, a prominent lawyer. He belonged to a pioneer family, Blair County having been named after his grandfather, John Blair, of Blair's Gap.
While Thomas S. Blair was still a small boy his father died, and the family removed to Pittsburg, where he received his education in a private school. He afterwards studied at Harvard, graduating in the class of 1844. The year following graduation he spent in European travel, after which he became connected with the firm of G. di J. H. Shoenberger, pioneer iron manufacturers, of Pittsburg. The firm was afterwards changed to Shoenberger, Blair & Co.
Having become wealthy, he retired from active business life about twenty-five years ago. He was an authority on the scientific treatment of iron and steel, and made frequent contributions to scientific publications. He also appeared before Congressional Committees when tariff matters were under discussion. He devoted a large part of his latter years to the study of political economy.
In 1896 he published a book entitled "Human Progress" that was the product of many years of study and observation.
He was an original member of the Iron and Steel Institute.