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91ֱ��’s largest donor ever, Charles Martin Hall, was born 150 years ago, on December 6, 1863. An 1885 graduate of the college, where he studied chemistry, Hall earned a fortune after discovering an and going on to form the company now known as the Aluminum Company of America (Alcoa). A generous benefactor of the college, he made several direct gifts, and his . Hall’s generosity toward his alma mater “is largely responsible for creating the college we are so proud of,” says Bill Barlow, vice president for development and alumni affairs.