D.D. Sivils

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.

Violet J. Brockman

Brockman was at Los Alamos during the Manhattan Project.

D. G. Decker

D. G. Decker worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Frances Steele