National Museum of Nuclear Science & History
George J. Brown served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Up An’ Atom.
John R. Kelleher served in the 1st Ordnance Squadron.
Michael Cefola was an American chemist and a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
