National Museum of Nuclear Science & History
O’Connell worked in the 200 West Area at Hanford 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.
John was a scientist at Los Alamos during the Manhattan Project. In 1949, John married Jean L. Balagna, who worked in the Los Alamos Lab.
