National Museum of Nuclear Science & History
Don Mester worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Edward A. Ryan Jr. served in the First Ordnance Squadron.
Raymond G. Knapp served in the 1st Ordnance Squadron.
J. J. Donovan worked for the H. K. Ferguson Company.
Anton Kegl was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
