National Museum of Nuclear Science & History
G. Z. Barton worked for the Poe Piping & Heating 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.
J. T. Holloway worked for the United States Engineer District Office.
August F. Futschik served in the 393rd Bombardment Squadron.