National Museum of Nuclear Science & History
H. F. Koch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Smith worked at the 300 Area at Hanford during the Manhattan Project.
Brown worked at the 300 Area at Hanford during the Manhattan Project.
