National Museum of Nuclear Science & History
R. M. Van Petten worked for the Kellex Corporation at the K-25 Plant.
Eleanor Ewing Ehrlich (1918-2011) was an American mathematician. During the Manhattan Project, Ewing worked at Los Alamos and helped run the IBM calculating team.
W. L. Nason worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jack Rose was a machinist and armorer in the Special Engineering Detachment (SED) assigned to the 509th Composite Group in Wendover, Utah.
