M. R. Kay

Harold B. Nilling

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

Bert M. Weisser

Bert Weisser worked at Los Alamos during the Manhattan Project.

Stella Creisher

Andrew A. Walker

Andrew Walker was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.