National Museum of Nuclear Science & History
P. M. Putnam worked for the J.A. Jones Construction Company.
Ercole E. Motta was a research assistant at the University of Chicago Met Lab. He studied ways to determine the boron content of uranium oxide.
C. L. Langston worked for the Fercleve Corporation.
A. T. Helgerson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hugo Griep served in the 1395th Military Police Company, Aviation.