Bruce A. Bydal (1937-) worked as a research engineer at the DuPont Company for over twenty years, is an expert in gun primers and chemicals, and an avid gun collector. He also worked with the Remington Arms Company, a subsidiary of the DuPont Company, to develop a new shotgun. The papers include descriptions of Bydal's work in DuPont's food and packaging division and his work at the Nylon plant in Martinsville, Virginia. However, approximately one-half of the records pertaining to his work in applied mathematics at Remington Arms, a gun manufacturing company acquired by DuPont during the great depression.