National Museum of Nuclear Science & History
H. Dunkelberger worked for the Roane-Anderson Company.
Tom Norvelle served in the Army at Los Alamos during the Manhattan Project.
H. L. Shaefer worked for the Edenfield Electric Company.
Sara B. Chettkow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.