John C. Delmar, Jr.

Margaret M. Emmerson

Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

W. F. Druck

W. H. Grahm

W. H. Grahm worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Lloyd J. Williams

Lloyd J. Williams was a staff worker at Los Alamos during the Manhattan Project.