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.

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.