Answer:
Andrew Carnegie made all his fortune with the steel industry.
He was a Scotsman who was born in 1835 and died in 1919. He migrated to the United States as a child and became a great businessman with his Carnegie Steel Company. Over time, this company merged with others to create the great United States Steel Corporation, better known as U.S. Steel
At the end of his life he became a philanthropist and donated his fortune for different initiatives linked to education.