National Museum of Nuclear Science & History
F. Ernsberger worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gayle Braden was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
W. N. Sparke worked for the J.A. Jones Construction 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.
