National Museum of Nuclear Science & History
P. M. Putnam worked for the J.A. Jones Construction Company.
A. T. Sampson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Daniel D. Friel was a chemical engineer for the DuPont Company who joined the Manhattan Project at the University of Chicago in 1943.
B. E. Riesdorph worked for the Tennessee Eastman Corporation at the Y-12 Plant.