Charles Martin Hall
Noun
Meaning
United States chemist who developed an economical method of producing aluminum from bauxite (1863-1914)
Source: WordNetSynonyms
Examples
In his advertising handbill for his new electrolytic method of producing the metal in 1892, Charles Martin Hall used the -um spelling, despite his constant use of the -ium spelling in all the patents he filed between 1886 and 1903.