National Museum of Nuclear Science & History
Vladislav Ignatov worked for the Roane-Anderson Company.
Margaret Caldes moved to Los Alamos when her husband, William E. Caldes, was recruited to join the project in 1943.
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
Bennie Tapia was a staff worker at Los Alamos during the Manhattan Project.
