National Museum of Nuclear Science & History
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
Antoinette Cichy was a nurse in the main infirmary at Los Alamos, handling classified documents and classified medical cases.
Andrew Welch was a janitor at the Chicago Met Lab during the Manhattan Project.
G. S. Shanks worked for the Tennessee Eastman Corporation at the Y-12 Plant.
