National Museum of Nuclear Science & History
Jane Heydorn was a Manhattan Project WAC and electronics technician, who helped to develop bomb-testing equipment at Los Alamos.
Harold Riley was an American chemical engineer. After graduating from North Carolina State College, Riley began his career working as a rayon technician at the DuPont Company.
Henry Howard Roerkohl was commissioned as a 2nd lieutenant in the QM Corps Reserve on Jan 16, 1940. On Nov 9, 1942 Howard was transferred to the Northwest Service Command (NWSC), located in Whitehorse, Canada in the Yukon Territory.
A. A. Groppe worked for the Tennessee Eastman Corporation at the Y-12 Plant.