National Museum of Nuclear Science & History
H. R. Pancoast worked for the Comstock-Bryant Electric Company.
Opaline Calhoun was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Brent worked at the 200 West at Hanford during the Manhattan Project.
Rufus Addison worked for the Edenfield Electric Company.
Homer M. O’Callaghan served in the 1st Ordnance Squadron.