National Museum of Nuclear Science & History
G. L. Ryan worked for the United States Engineer District Office.
Stanley Stewart was the Contracting Officer at Los Alamos during the Manhattan Project. After the bombings of Hiroshima and Nagasaki, Stewart wrote, “The security restrictions on our part of the work [at Los Alamos] have been more rigid than than on any other portion of the entire Manhattan Project.
Frank Holden was a member of the Special Engineering Detachment at Los Alamos.
