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
Antonio Sandoval (1918-2015) was a janitor at Los Alamos during the Manhattan Project. Sandoval remembered, “It was like being a prisoner.
Ina Martin worked for the United States Engineer District Office.
