National Museum of Nuclear Science & History
H. A. McFadden worked for the Roane-Anderson Company.
Julie Ezold is a nuclear engineer at the Oak Ridge National Laboratory (ORNL). She has worked at ORNL since 1992, and directs a project in the Radiochemical Engineering Development Center that uses the High Flux Isotope Reactor to create Californium-252.
Conce Vigil was a staff worker at Los Alamos during the Manhattan Project.