William H. Wren

Albert C. Steiner

Albert Steiner was a staff worker at Los Alamos during the Manhattan Project.

Myrtle E. Karcher

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

E. H. Brayton

C. H. Simpson

C. H. Simpson worked for Clinton Laboratories at the X-10 Reactor.