J. A. Lampert

Katherine Gnjec

Katherine Gnjec was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Leon M. Lessinger

Margaret Hayes

Hayes worked at the 300 Area at Hanford during the Manhattan Project.

J.B. Hughs

Hughs worked at the 200 West Area at Hanford during the Manhattan Project.