National Museum of Nuclear Science & History
Carroll Villincs was a guard at the Chicago Met Lab during the Manhattan Project.
Al Threadgill worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gerold Tenney was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Carlson worked at the 300 Area at Hanford during the Manhattan Project.