National Museum of Nuclear Science & History
Mason worked in the 300 Area at Hanford during the Manhattan Project.
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.
During WWII, Atilio “Tee” Topazio was a member of the Special Engineer Detachment (SED) assigned to the K-25 Gaseous Diffusion Plant at Oak Ridge, TN.
