National Museum of Nuclear Science & History
H. O. Arnold worked for the Kellex Corporation at the K-25 Plant.
Arnold Kramish was a physicist in the Manhattan Project and a member of the Special Engineering Detachment (SED) at Oak Ridge, Tennessee, the Philadelphia Navy Yard, and Los Alamos.
Chris Keim worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Nees worked at the 300 Area at Hanford during the Manhattan Project.
