National Museum of Nuclear Science & History
R. C. O'Dell 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.
Acken worked at the 200 West Area at Hanford during the Manhattan Project.
R. M. Thomas worked for the United States Engineer District Office.