National Museum of Nuclear Science & History
H. J. Weiland worked for the Union Carbide & Carbon Corporation.
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. F. Mayer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Charlie Stallings was a staff member at Los Alamos during the Manhattan Project.
J. R. Anderson worked for the J.A. Jones Construction Company.