National Museum of Nuclear Science & History
Lucille Halverson worked for the Roane-Anderson Company.
Farrell worked for Stone and Webster Engineering Corporation.
J. P. Van Huss worked for the J.A. Jones Construction Company.
Bergantz worked in the United State Engineer District Office.
Charles W. Hagen was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.