National Museum of Nuclear Science & History
Coyne worked at the 100-F Area at Hanford during the Manhattan Project.
Darlington worked for Stone and Webster Engineering Corporation.
James Porterie was a security guard at Los Alamos tasked with guarding bomb components. Porterie went to Aberdeen Proving Ground for Ordnance School before volunteering for an assignment at Los Alamos.
Gentry worked in the United States Engineer District Office.