Mrs Mary (Belin) du Pont
Chemist, E. I. du Pont de Nemours & Co.
1831-1884
of "Longwood" Pennsylvania; Treasurer & Vice-President of Du Pont & Co.
1870-1954
of "Xanadu" Cuba & Wilmington, Delaware; President of the DuPont Company
1876-1963
President of E. I. du Pont de Nemours & Company
1880-1952
