Tom Caskey

Rachel Gilbreath

Rachel Gilbreath was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Marian S. Baumann

Marian S. Baumann was a laboratory technician at the Metallurgical Laboratory in Chicago during the Manhattan Project.

Thomas L. Breadhead

Breadhead worked at Los Alamos during the Manhattan Project.

Francis J. Hatcher