N. J. Zammarrelli

Roger Hultgren

Minnesota native Roger Hultgren worked for the DuPont Company as a chemist during the early 1940s, initally assigned to the Jolliet, Illinois munitions plans.

William Schneller

William Schneller attended Muhlenberg College, graduating in 1942, and then was hired by the DuPont Company.

S. Sobol

S. Sobol worked for the United States Engineer District Office.

John C. Slichta