National Museum of Nuclear Science & History
Olga Nelson was a staff worker at Los Alamos during the Manhattan Project.
N. J. Zammarrelli served in the 390th Air Service Group.
Wilcox P. Overbeck was a research associate and instrumentation designer at the Chicago Met Lab. He was responsible for calling out the neutron count when Chicago Pile-1 went critical on December 2, 1942.
J. E. Crawford worked for the Midwest Piping and Supply Company.
