National Museum of Nuclear Science & History
A. A. Uebelacker worked for the Edenfield Electric Company.
H. F. Gibbs worked for the A. S. Schulman Electric Company.
Raymond L. Brin was a Technical Sargeant in the Army’s Special Engineer Detachment. He worked at Los Alamos during the Manhattan Project, and traveled to Tinian Island as a member of Project Alberta.
Carrie Johnson was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.