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.
John O. Barker served in the 320th Troop Carrier Squadron.
J. Moran worked for the Roane-Anderson Company.
Theodore Feinberg was a research assistant at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
