National Museum of Nuclear Science & History
Zen B. Portwood worked for the J.A. Jones Construction Company.
Majory Danberg worked in the stenographic and clerical division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
A. P. Huber worked for the Union Carbide & Carbon Corporation.
E. J. Whiting worked for the J.A. Jones Construction Company.