National Museum of Nuclear Science & History
Francis W. Keene served in the 603rd Air Engineering Squadron.
John Owen worked for the Roane-Anderson Company.
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.
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.
Although the flow of information about the Manhattan Project was tightly controlled, New York Times reporter William L.