National Museum of Nuclear Science & History
Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Sidney J. Bellamy served as a corporal in the 393rd Bombardment Squadron. He was regularly assigned to the Necessary Evil as a radar observer, but flew in the Big Stink in the mission to Nagasaki.
H. G. Hoberg worked for the United States Engineer District Office.
