National Museum of Nuclear Science & History
A. J. Metler worked for Clinton Laboratories at the X-10 Reactor.
John Owen worked for the Roane-Anderson Company.
Stanley Krzyck was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
George Caldwell worked for the J.A. Jones Construction Company.
John Russell served in the First Ordnance Squadron.