National Museum of Nuclear Science & History
Ubaldo Sanchez was a staff worker at Los Alamos during the Manhattan Project.
R. O. worked for Clinton Laboratories at the X-10 Reactor.
Margaret Caldes moved to Los Alamos when her husband, William E. Caldes, was recruited to join the project in 1943.
C. P. Vogel worked for the Tennessee Eastman Corporation at the Y-12 Plant.
