Éleuthère Irénée du Pont, French chemist and businessman, founded DuPont (d. 1834)
Éleuthère Irénée du Pont de Nemours (; French: [dypɔ̃]; 24 June 1771 – 31 October 1834) was a French-American chemist and industrialist who founded the gunpowder manufacturer E. I. du Pont de Nemours and Company. His descendants, the du Pont family, have been one of America's richest and most prominent families since the 19th century, with generations of influential businessmen, politicians and philanthropists. In 1807, du Pont was elected a member of the American Philosophical Society in his adopted hometown of Philadelphia.