National Museum of Nuclear Science & History
Conce Vigil was a staff worker at Los Alamos during the Manhattan Project.
Julian N. Bernacchi had three main assignments in the Manhattan Project. The most significant was as the Security Officer of Dr.
Sergeant James T. Harris was a member of the Special Engineer Detachment stationed at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. C. Orr worked for the Roane-Anderson Company.
