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.
Mark W. Luckett worked for the Fercleve Corporation at the S-50 Thermal Diffusion Plant at Oak Ridge in 1945.
Chapman worked at the 200 West Area at Hanford during the Manhattan Project.