National Museum of Nuclear Science & History
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.
F. F. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Max Gittler was working on his degree in mechanical engineering at NYU when he was drafted into the Army during World War II.