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
Patricia L. Allebach was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
M. F. Welch worked for the United States Engineer District Office.
Hayes worked at the 300 Area at Hanford during the Manhattan Project.
