National Museum of Nuclear Science & History
W. A. Cone worked for the J.A. Jones Construction Company.
Bonnie Pauline Hardwick Rogers worked at the Y-12 Plant, operating the machinery separating the uranium isotope U-235 from it's heavier counterpart U-238.
M. M. MacDonald worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Nelson C. Baker was a lieutenant working as an executive officer to Captain Palmer in the Second Provisional Special Engineer Detachment at Los Alamos.
Jesse Kupferberg was a Technical Sargeant in the US Army who participated in Project Alberta, the group tasked with transporting and assembling the two atomic bombs in 1945.