National Museum of Nuclear Science & History
Millard Ross was a staff worker at Los Alamos during the Manhattan Project.
Charles W. Hagen was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Henry Martin worked for the J.A. Jones Construction Company.
W. J. Cruce worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Olga (Giacchetti) Fineman was a technical assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.