National Museum of Nuclear Science & History
Frank Holden was a member of the Special Engineering Detachment at Los Alamos.
Frank Holden driving a truck near Los Alamos.
Holden, pictured at the far right, poses with a few other members of the SED
Holden and some other members of the SED pose for a picture near the Q-site at Los Alamos
Harold Hoover was a member of the Special Engineer Detachment during the Manhattan Project. He worked as a filter foreman at the Y-12 Plant, but his real job was in counterintelligence, to ensure no sabotage occurred.
Juanita Fristoe worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Fredrika Lewis was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
