National Museum of Nuclear Science & History
M. Carlson worked for the Roane-Anderson Company.
Marvin O. Beatty served as a staff sergeant in the 393rd Bombardment Squadron.
Haske worked at the 200 East Area at Hanford during the Manhattan Project.
E. W. McConnell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
