National Museum of Nuclear Science & History
Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
B. M. Pitts worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Ryan was a staff worker at Los Alamos during the Manhattan Project.
Howard V. Rhude worked in the Metallurgy Department at Argonne National Laboratory until 1991 when he retired after 38 years.