Marlin S. Hanson

Dellis Caho

Dellis Caho was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

F. A. Otto

Isabel Torres

Isabel Torres worked at the Los Alamos laboratory during and after the Manhattan Project. She commuted from the neighboring community of Santa Cruz, first by truck, then by bus.

Frederick J. Roach

Frederick Roach served in the Army at Los Alamos during the Manhattan Project.