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.
Richard McNamara served as a 2nd lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group.
Frederick Rich worked for the Union Carbide & Carbon Corporation.
E. W. McConnell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
