O. C. Hardigg

Warren H. Burgus

Warren H. Burgus was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.

V. S. Olson

Lyda Speck

Lyda Speck served in the Women’s Army Corps at Los Alamos during the Manhattan Project. She later remembered “how tight the security was.

J. H. Carroll

J. H. Carroll worked for the Edenfield Electric Company.