National Museum of Nuclear Science & History
J. M. Ryan worked for the United States Engineer District Office.
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.
R. L. Murray worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. C. Labarr worked for the Kellex Corporation at the K-25 Plant.
Hammond worked at the 300 Area at Hanford during the Manhattan Project.
