National Museum of Nuclear Science & History
Kenneth J. Cooper served in the 1st Ordnance Squadron.
Margaret Hoffarth was born in Colorado and moved west with her parents, traveling to Idaho in a wagon train.
Andrew A. Brown served as a sergeant in the 393rd Bombardment Squadron.
George Mallinckrodt was a physicist at the Manhattan Project’s Los Alamos, NM facility. He also worked at Argonne National Laboratory, the successor of the University of Chicago’s Metallurgical Laboratory (“Met Lab”).