Charles Milton Cooper (1900-1971) was a chemical engineer and an executive at the E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont company. His papers primarily include notes and photographs produced during his time conducting bubble formation experiments at the DuPont Company’s Belle Plant, in Charleston, West Virginia.

Miscellaneous records including information about educational facilities in Delaware.

Eugene S. Ferguson (1916-2004) was one of the founders of the discipline of the history of technology, both through teaching at Iowa State University and the University of Delaware and by working at the Smithsonian Institution and the Hagley Museum. This collection documents the first twenty years of the history of technology as an academic discipline, and networking among its practitioners.

John Joseph Beer (1927-) was a professor of the history of science and chemistry at the University of Delaware until his retirement in 1992. Beer played a major role in developing the university’s program in the history of technology and the Hagley Fellowship Program. The bulk of the papers consists of correspondence, notes, research materials, and drafts for a projected book or article on "Russia iron," a highly finished, wear-resistant iron produced in Russia during the nineteenth century.

The University of Delaware is the largest university in Delaware. Many of the buildings on campus have a Georgian style facade. This collection consists of twelve postcards showing building exteriors at the University of Delaware and one of St. Thomas Church, Newark, Delaware.

Walter S. Carpenter, Jr. (1888-1976) was an industrialist, philanthropist, and former President and Chairman of E.I. du Pont de Nemours & Company, a chemical company more commonly referred to as the DuPont company. This collection of personal papers of Carpenter, Jr. consists primarily of letters to family, friends, and business associates, as well as financial information records. The papers date from 1916 to 1976.