National Museum of Nuclear Science & History
B. P. Rollyson worked for the Roane-Anderson Company.
W. G. Chmielewski was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. H. MacDonald worked for the Union Carbide & Carbon Corporation.
J. H. Rhodes worked for the J.A. Jones Construction Company.
Ellerbroek worked for Stone and Webster Engineering Corporation.
