National Museum of Nuclear Science & History
J. M. Ryan worked for the United States Engineer District Office.
Lester Orlan Keen worked as an engineering draftsman at Hanford during the Manhattan Project. His son, Jack Keen, was a young boy at the time.
Robert Ball was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Franklin B. O’Hara served in the 1st Ordnance Squadron.
