Albert J. Williams

R. H. Elder

R. H. Elder worked for the Edenfield Electric Company.

E. Viehoever

Joseph Caldwell

Joseph Caldwell was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

C. R. Bergdahl

Bergdahl worked in the 200 West Area at Hanford during the Manhattan Project.