Charles Martin Hall
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.