National Museum of Nuclear Science & History
Eloy Roybal was a staff worker at Los Alamos during the Manhattan Project.
Robert Ball was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Lewis worked in the 200 W Area at Hanford during the Manhattan Project.
J. J. Combes worked for the Kellex Corporation at the K-25 Plant.
Frederick Horlander worked for the Tennessee Eastman Corporation at the Y-12 Plant.
