National Museum of Nuclear Science & History
John Mench was assigned to the Special Engineer Detachment at Los Alamos where he worked as a pattern maker, creating wooden casts for metal work at the site’s foundry.
Cook worked at the 100-D Area at Hanford during the Manhattan Project.
R. R. Manganielo served in the 509th Headquarters and Base Services Squadron.
Morris Jackson worked for the United States Engineer District Office.