National Museum of Nuclear Science & History
Harlan Tyne worked for the United States Engineer District Office.
Robert H. Brown was a chemical engineer/metallurgist. He was educated at Drexel University and Massachusetts Institute of Technology.
Jose A. Valdez was a staff worker at Los Alamos during the Manhattan Project.
Ralph Graves worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. O. Swanson worked for the United States Engineer District Office.