National Museum of Nuclear Science & History
R. M. Thomas worked for the United States Engineer District Office.
Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.
John Arnold joined the Manhattan Project in 1943 when the MED tasked his employer, the Kellogg Corporation, with developing a special barrier for the gaseous diffusion plant in Oak Ridge.
Warren Best served as a sergeant in the 393rd Bombardment Squadron.