National Museum of Nuclear Science & History
Clifford E. Willison served in the 1027th Air Material Squadron.
Joseph I. Gulick served as a technical sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Up An’ Atom.
Katherine Gnjec was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Bert Weisser worked at Los Alamos during the Manhattan Project.