John W. Mackay
1831–1902 (age 71)
Mining Magnate
Biography
John W. Mackay was a key figure in the development of the Comstock Lode, turning a silver rush into a lasting fortune through steadfast leadership of mining enterprises in Nevada. His stewardship ensured that the resources of the West were mined responsibly and profitably.
His later philanthropic efforts and generous support for education and public works reflected the broad-minded spirit of the industrial era, helping to shape communities that benefited from his success.