Charles Martin Hall

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Noun1.Charles Martin Hall - United States chemist who developed an economical method of producing aluminum from bauxite (1863-1914)
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As Mary Bellis writes for, "Charles Martin Hall patented an inexpensive method for the production of aluminum" in 1889.
adopted the -ium spelling for most of the 19th century; however, in 1892 Charles Martin Hall used the -um spelling in an advertising handbill for his new, efficient, electrolytic method for the production of aluminum.
Aviation pioneer Charles Ward Hall, the son of Charles Martin Hall who invented the process for manufacturing aluminum, founded the Hall-Aluminum Aircraft Corp.