Lammot du Pont II was an American businessman who was the head of the du Pont family's E. I. du Pont de Nemours and Company for 22 years.
Du Pont at a U.S. Congressional committee hearing in 1938
Lammot du Pont I was a chemist and a key member of the du Pont family and its company in the mid-19th century.
Lammot du Pont as a Union officer
Mary Belin du Pont