National Museum of Nuclear Science & History
Helen Schneider was a staff worker at Los Alamos during the Manhattan Project.
Roderick E. Legg served as a sergeant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
William “Willie” H. Zachariasen was a physicist and consultant at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Melvin R. Ludwig served in the 1st Ordnance Squadron.