
John Marley (mining engineer) - Wikipedia
John Marley (11 November 1823 – 4 April 1891) was an English mining engineer from Darlington who together with ironmaster John Vaughan made the "commercial discovery" of the Cleveland Ironstone Formation, the basis of the wealth of their company Bolckow Vaughan and the industrial growth of Middlesbrough. He was an effective leader of engineering operations at Bolckow Vaughan's mines …