H.C. Savage

Mark S. Fred

Mark Fred was a research assistant in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Phyllis Smith

Phyllis Smith worked for the H. K. Ferguson Company.

Wilam H. Spangler

Wilam Spangler was a staff worker at Los Alamos during the Manhattan Project.

J. A. Downes