Crawford H. Greenewalt (1902-1993) was an executive with the DuPont Company and president of the firm from 1948 to 1962. The collection consists of photographs and other materials related to Crawford Greenewalt's career with the DuPont Company and his involvement with corporate boards and other business and scientific organizations, etc., such as Boeing, M.I.T., Smithsonian Institution, and Radio Free Europe.

DuPont American Industries was formed in 1918 as a holding of the E.I. du Pont de Nemours & Company in order to purchase a substantial portion of General Motors and Chevrolet stock. This item is a portrait of a large group of male employees of DuPont American Industries.

E.I. du Pont de Nemours & Company is a chemical company more commonly referred to as the DuPont company. The company was established in 1802 by Pierre Samuel du Pont de Nemours and his son Eleuthère Irénée du Pont the company began with the production of gunpowder. This item is an outdoor group portrait of DuPont Company employees, apparently posed on the front porch and steps of the company office in the Hagley Powder Yards.

Photograph of President Calvin Coolidge (1872-1933), Governor John G. Townsend, Jr. (1871-1964) of Delaware, Senator Lewis Heisler Ball (1861-1932) of Delaware and a group of unidentified women standing infront of the White House.

Lammot du Pont (1831-1884) was a chemist and inventor, he was the grandson of Eleuthere Irenee du Pont (1771-1834), founder of E.I. du Pont de Nemours & Company, more commonly known as the DuPont Company. This collection contains photographs of Brandywine, Hagley area, and the family of Lammot du Pont and Mary Belin du Pont (1839-1913).

William Hilles Ward (1892-1961) was a chemist, who specialized in explosives serving in high positions at the E.I. du Pont de Nemours & Company and the Remington Arms Company, Inc. The collection includes press clippings, speeches, photographs of Ward and the DuPont Board of Directors, birth and death certificates for Ward and his wife Sophie Hodges Ward (1894-1968), obituaries and memorials.