National Museum of Nuclear Science & History
Everett Ellis worked for the H. K. Ferguson Company.
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.
Springer worked at the 200 West Area at Hanford during the Manhattan Project.
Delmar Russell worked for the United States Engineer District Office. He arrived in February 1943.
