Elbert B. Smith

Peggy E. Titterton

Peggy Eileen (Johnson) Titterton was a laboratory assistant at Los Alamos and the wife of physicist Ernest Titterton.

Roy V. Henderson

Roy V. Henderson was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Donald L. Harvey

Louise G. Richter

Louise Richter was a staff worker at Los Alamos during the Manhattan Project.