National Museum of Nuclear Science & History
Major General Kenneth Nichols (1907 – 2000) served as District Engineer of the Manhattan Engineer District.
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.
Hardy worked at the 200 West Area at Hanford during the Manhattan Project.
G. L. Ryan worked for the United States Engineer District Office.
