National Museum of Nuclear Science & History
E. B. Dutton worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.
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.
Secundino Roybal was a staff worker at Los Alamos during the Manhattan Project.
