National Museum of Nuclear Science & History
P. M. Putnam worked for the J.A. Jones Construction Company.
Henry Faul was a geologist working on Enrico Fermi's team at the University of Chicago. He was responsible for prospecting uranium ore in Colorado and Utah.
Clyde R. Emery worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. M. Robinson worked for the Tennessee Eastman Corporation at the Y-12 Plant.