National Museum of Nuclear Science & History
Arthur Sievert worked for Hanley & Company.
Smith worked at the 200 West Area at Hanford during the Manhattan Project.
Cornelius Ridner was a staff worker at Los Alamos during the Manhattan Project.
Daniel J. Kelly served in the 1027th Air Material Squadron.
Carolyn West was a stenographer and clerical worker at the Chicago Met Lab during the Manhattan Project.
