E. I. du Pont de Nemours, Inc., was founded 170 years ago primarily as a manufacturer of gunpowder. The Company has since diversified into numerous technological areas, and its long list of products now includes many having application in the optics field. In this introduction a brief review of past Du Pont optics work is given.
P. A. Flournoy, "Optics in Du Pont," Appl. Opt. 11, 1905-1906 (1972)