National Museum of Nuclear Science & History
T. W. Martin 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.
Sam Sparks worked for the J.A. Jones Construction Company.
Scott worked at the 300 Area at Hanford during the Manhattan Project.