National Museum of Nuclear Science & History
Florentino Ortiz was a carpenter at Los Alamos during the Manhattan Project.
A. R. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Kenneth E. Berry served in the 1st Ordnance Squadron.
John Mihalkanin was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
