Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,372 pages of information and 233,518 images on early companies, their products and the people who designed and built them.
Charles Martin Hall, of Oberlin, Ohio, USA
1886 Discovered the reduction process for refining aluminium. Paul Louis Toussaint Héroult of France made a similar discovery at the same time.
1888 Charles Martin Hall, with backing from Captain Alfred E. Hunt for his aluminium reduction process using electrolysis, incorporated The Pittsburgh Reduction Company and opened a pilot production facility on Smallman Street, Pittsburgh.