National Museum of Nuclear Science & History
Cleo E. Harter served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Strange Cargo.
Olga M. Klicek was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Block worked in the United States Engineer District Office.
Frank Alvidnes was a staff worker at Los Alamos during the Manhattan Project.
