National Museum of Nuclear Science & History
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
L. D. Miller worked for the J.A. Jones Construction Company.
Gerold Tenney was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
C. A. Norris worked for the Midwest Piping and Supply Company.
