National Museum of Nuclear Science & History
Rosalyn Thomas was a staff worker at Los Alamos during the Manhattan Project.
John H. Martens was a research associate and chemist at the University of Chicago Met Lab and a member of the Special Engineer Detachment at Oak Ridge.
O. E. Brueggeman worked for the J.A. Jones Construction Company.
C. G. Green worked for the Tennessee Eastman Corporation at the Y-12 Plant.