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Edmund Mills Hann, mining engineer
1850 Born in Hetton Le Hole, Co Durham
1865-72 Pupil at Hetton Collieries, Durham, followed by period as assistant.
1872-77 Involved in opening ironstone quarries in Cleveland and coal mines in South Wales in connection with blast furnaces.
1874 of Brotton, North Yorks, when he wrote to The Engineer about his experience with diamond boring
1877-79 Appointed mining engineer for Landore Siemens Steel Co
1881 Mining engineer of Aberdare, with Mary A. Hann 30, Florence M. Hann 5, William R. Hann 4, George G. Hann 2
1885 Joined Inst Civil Engineers; of Aberaman, Abderdare
1901 Mining engineer, of Aberdare, with Mary Ann Hann 51, William R Hann 24, coal sales man, Cyril R Hann 7
1911 Mining engineer, of Aberdare, with Mary Ann Hann 61, Harold Brown Hann 27, solicitor, Frank Percival Hann 25, mining engineer, Douglas Alfred Hann 23, mining engineer
1916 Hann was made director of the Powell Duffryn Steam Coal Co and over the next few years enabled the company to become the greatest coal-producing company in the world.