National Museum of Nuclear Science & History
J. A. Norris 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.
W. K. Blair worked for the Roane-Anderson Company.
Ralph V. Hagan served in the 1st Ordnance Squadron.
McCraw worked in the 200 West Area at Hanford during the Manhattan Project.