Arthur L. Johnson

Marietta C. Moore

Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.

Rita Tucker

F. A. Wahlers

F. A. Wahlers worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Raymond L. Brin

Raymond L. Brin was a Technical Sargeant in the Army’s Special Engineer Detachment. He worked at Los Alamos during the Manhattan Project, and traveled to Tinian Island as a member of Project Alberta.