Finding Aids

Alfred Irénée du Pont (1864-1935) was the eldest son of E.I. du Pont (1829-1877). He joined the family gunpowder firm in 1884. This item is portrait of Alfred I. du Pont, dated September 1881.

Ernest du Pont (1880-1944) and his elder brother Francis Irenee du Pont (1873-1942) founded the U.S.F. Powder Company in 1919, which produced flashless cannon powder. This item is a cabinet card photograph of Ernest du Pont (1880-1944) as a young child.

Pierre Samuel "P.S." du Pont (1870-1954) was the great grandson of Eleuthère Irénée du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, and that company played a major role in P.S. du Pont's life. He is most well-known for developing the preeminent botanical gardens, Longwood Gardens in Kennett Square, Pennsylvania. This item is a matted portrait of P.S. du Pont, autographed on front beneath image area.

Pierre Samuel du Pont de Nemours (1739-1817) was a noted French Physiocrat and economic advisor to Jacques Necker and King Louis XVI. In 1784, Louis XVI made him a noble through the process of noblesse de lettres, which added the de Nemours suffix to his name. In the aftermath of the French Revolution he and his family emigrated to the United States where his son Eleuthère Irénée du Pont established the gun powder manufacturer E.I. du Pont de Nemours & Company. These photographs show a close-up of the Place Pierre Samuel du Pont de Nemours metal plaque and the building on which it hangs in Nemours France, ancestral home of the du Pont family.