National Museum of Nuclear Science & History
H. T. Wensel worked for the United States Engineer District Office.
Holl worked for Stone and Webster Engineering Corporation.
Geiger worked in the United States Engineer District Office.
Glen Montgomery was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Betty Gaevada was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
