National Museum of Nuclear Science & History
Sievers worked at the 300 Area at Hanford during the Manhattan Project.
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.
Beth Olds was a secretary at the University of Chicago Met Lab and at Oak Ridge, Tennessee. After the war, she became executive secretary for the Emergency Committee of Atomic Scientists and the Atomic Scientists of Chicago, publishers of the Bulletin of the Atomic Scientists.