National Museum of Nuclear Science & History
Chamberlain worked at the 300 Area at Hanford during the Manhattan Project.
Harris Small was stationed in Oak Ridge, Tennessee, in the Special Engineer Department (SED). He served as a supervising civilian operator of shifts (the Calutron girls) at the Y-12 Electromagnetic Separation Plant.
H. A. Ramsey worked for the Tennessee Eastman Corporation at the Y-12 Plant.