National Museum of Nuclear Science & History
Curt J. Havekotte served in the 1st Ordnance Squadron.
J. C. Freer worked for the Roane-Anderson Company.
B. Roswell Russell worked at the Metallurgical Laboratory in Chicago during the Manhattan Project. He was one of seventy signers of the Szilard Petition.
Dennis Dwyer was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.