National Museum of Nuclear Science & History
K. L. Rathburn worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Alvin Vanvessem was a member of the Special Enginner Detatchment (SED) at Los Alamos during the Manhattan Project.
John Tucker worked for the United States Engineer District Office.
Augustin Romero was a staff worker at Los Alamos during the Manhattan Project.