Guy B. Taylor (1888-1972) worked at the DuPont Company, where he specialized in the oxidation of ammonia, the method of contact catalysis, and the synthesis of acetylene. His fragmentary papers document his career as a research chemist and include an autobiographical notebook that chronicles his life from childhood to retirement, Princeton dissertation on the dissociation of mercuric oxide, technical papers, patents, and papers from employment at DuPont's Experimental Station.

Parry Norling (1939-) was a career research chemist and manager with E.I. du Pont de Nemours & Company. Records consists of company documents and outside publications collected by Norling during his time at DuPont.