National Museum of Nuclear Science & History
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.
John Mendl was a member of the 1st Ordnance Squadron in the 509th Composite Group stationed on Tinian Island in the Pacific.
Sieck worked at the 200 East Area at Hanford during the Manhattan Project.
