H.J. Sinclair

Roberta A. Edwards

Roberta A. Edwards was a lab technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

C. P. Lawson

Charlie C. Stallings

Charlie Stallings was a staff member at Los Alamos during the Manhattan Project.

L.C. Roos

Roos worked at the 300 Area and the 200 West Area at Hanford during the Manhattan Project.