selected
American inventor Charles Martin Hall discovered an inexpensive method of producing aluminium.
Related Wikipedia articles
Charles Martin Hall
American inventor, businessman, and chemist (1863–1914)
Charles Martin Hall was an American inventor, businessman, and chemist. He is best known for his invention in 1886 of an inexpensive method for producing aluminium, which became the first metal to attain widespread use since the prehistoric discovery of iron. He was one of the…Source: Wikipedia (CC BY-SA)
Aluminium
Chemical element with atomic number 13 (Al)
Aluminium is a chemical element; it has symbol Al and atomic number 13. It has a density lower than that of other common metals, about one-third that of steel. Aluminium has a great affinity towards oxygen, forming a protective layer of oxide on the surface when exposed to air.…Source: Wikipedia (CC BY-SA)