National Museum of Nuclear Science & History
T. O. Dean worked at the 200 East Area at Hanford during the Manhattan Project.
Ralph R. Tison served in the 393rd Bombardment Squadron.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. Petyko worked for the Roane-Anderson Company.
Mobly A. Sidebottom served in the 1027th Air Material Squadron.
