National Museum of Nuclear Science & History
Juan Sanchez was a staff worker at Los Alamos during the Manhattan Project.
C. O. Cassada worked for the J.A. Jones Construction Company.
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. V. Murphy worked for General Electric.
H. R. Olson worked for the J.A. Jones Construction Company.
