National Museum of Nuclear Science & History
Leonard Switalski served in the First Ordnance Squadron.
Paul L. Marcello served in the 320th Troop Carrier Squadron.
Cardea Hubbard was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Marvin Wilkening, a physicist, traveled the Grand Circuit of the Manhattan Project, pursuing his specialty of measuring neutron intensity.
