National Museum of Nuclear Science & History
Williams worked for Stone and Webster Engineering Corporation.
J. Powell worked for the Union Carbide & Carbon Corporation.
D. R. Johnson worked for the Roane-Anderson Company.
George Hyde was a chemist assigned to the Y-12 Plant in Oak Ridge, Tennessee from February 1944 to the end of the war.
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.
