National Museum of Nuclear Science & History
R. W. Lazear worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Nees worked at the 300 Area at Hanford during the Manhattan Project.
J. P. Marus worked for the J.A. Jones Construction Company.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Chester J. Krajewski served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.