National Museum of Nuclear Science & History
Bradley Jr. worked at the 200 West Area at Hanford during the Manhattan Project.
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.
Edward Walsh worked for the United States Engineer District Office.
J. D. Graves worked for the Tennessee Eastman Corporation at the Y-12 Plant.
A. S. Preston worked for the Tennessee Eastman Corporation at the Y-12 Plant.