National Museum of Nuclear Science & History
Rolland Perry was a staff worker at Los Alamos during the Manhattan Project.
Glen Montgomery was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Lyda Speck served in the Women’s Army Corps at Los Alamos during the Manhattan Project. She later remembered “how tight the security was.
O. L. Koch worked for the Midwest Piping and Supply Company.