Engineer, politician, and member of the Republican Party who served two terms as the U.S. Senator from Delaware.
He received an engineering degree from the Massachusetts Institute of Technology, and also worked at the Central Coal and Iron Company.
He was President of E.I. du Pont de Nemours and Company.
His cousin was U.S. Senator, Henry A. du Pont.
He was a Republican U.S. Senator like Calvin Coolidge.