Engineer's notebook kept by future DuPont Company vice president Willis F. Harrington (1882-1960) while an entry-level engineer at the Barksdale Works in Wisconsin.

Willis Fleming Harrington (1882-1960) spent his fifty-five year career with E.I. du Pont de Nemours & Co., beginning as a chemist and rising to vice president and member of the Executive Committee. His papers trace his career as a vice president and member of the executive committee from 1929 to 1942. These papers document his varied responsibilities within the company, with the following key foci: employee relations, research and development, industrial operations, and purchasing.