"Henry Bessemer"@en . "British engineer" . . "Sir Henry Bessemer (19 January 1813 \u2013 15 March 1898) was an English inventor whose steelmaking process established the town of Sheffield as a major manufacturing centre.Bessemer had been trying to reduce the cost of steel for military ordnance, when he developed his system for blowing oxygen through pig-iron to remove the impurities. This made steel easier and quicker to manufacture, and revolutionised structural engineering."@en . "1813-01-19Z"^^ . "1813Z"^^ . . "1898Z"^^ . . . . "Bessemer, Henry"@en . "1898-03-15Z"^^ . . . "Henry Bessemer"@en .