National Museum of Nuclear Science & History
John Luttrell worked for the United States Engineer District Office.
L. D. Worrel worked for the Roane-Anderson Company.
Otto C. Block, Jr. served in the 393rd Bombardment Squadron.
J. W. Barnett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.