George R. Taylor

Robert C. Decent

Olga M. Klicek

Olga M. Klicek was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Ralph E. Nelson

Ralph Nelson was a staff worker at Los Alamos during the Manhattan Project.

F. I. Irwin

F. I. Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.