National Museum of Nuclear Science & History
R. Y. Blackwell worked for the Fercleve Corporation.
George A. Ullrich was a chemist who performed analytical research at Clinton Laboratories in Oak Ridge, TN during the Manhattan Project.
Anton Kegl was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Franke worked in the United States Engineer District Office.
J. A. Morring worked for the Tennessee Eastman Corporation at the Y-12 Plant.