National Museum of Nuclear Science & History
J. J. Donovan worked for the H. K. Ferguson Company.
Roth worked at the 200 East Area at Hanford during the Manhattan Project.
Ambroso Hoelscher was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Jesse Edgercomb served in the 1395th Military Police Company, Aviation.
K. M. Wilson worked for the United States Engineer District Office.
