National Museum of Nuclear Science & History
J. A. Lauber worked for the Roane-Anderson Company.
C. G. Plomasen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Ellen Skirmont was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.