Arnold M. Kneitel (1923-2012) worked for E.I. du Pont de Nemours & Co., Inc. in sales and corporate information. He worked on sales of mylar when it was introduced in 1954. The collection consists primarily of 35mm slides of displays, advertisements, and presentations on mylar, including its use in electronic equipment and, primarily in magnetic tape for information processing equipment.

Arnold M. Kneitel (1923-2012) worked in the Film Department of E.I. du Pont de Nemours & Company, specializing in marketing research for Mylar polyester film. His papers are related to his career he preserved at home and include ephemera relating to the marketing of Mylar and papers on office management information systems and the early years of word processing, among other items.