National Museum of Nuclear Science & History
Marian S. Baumann was a laboratory technician at the Metallurgical Laboratory in Chicago during the Manhattan Project.
L. B. Howell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Louis Olivas was a staff worker at Los Alamos during the Manhattan Project.
Leo Safranski was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.