National Museum of Nuclear Science & History
W. O. Nelson worked for the J.A. Jones Construction Company.
Jose Romero was a staff worker at Los Alamos during the Manhattan Project.
Vlacil worked at the 300 Area at Hanford during the Manhattan Project.
C. W. McCollum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William Pickel worked for the Western Union Telegraph Company.