National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Marilyn Williams was a staff worker at Los Alamos during the Manhattan Project.
L. M. Haisten worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Frank Suazo was a part of the civilian support staff at Los Alamos from August 1942 to May 1954. A New Mexico native, Suazo helped prepare meals for the scientists and workers of Los Alamos, as well as painting many of the site's buildings and laboratories.