Helen R. Mitchell

G. H. Brown

Brown worked at the 100-F Area at Hanford during the Manhattan Project. 

Margaret M. Emmerson

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

L. M. Leach

L. M. Leach worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Hal Grammer