National Museum of Nuclear Science & History
L. L. Kallestad worked for the United States Engineer District Office.
Mildred McConkey worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leandro Ortiz was a staff worker at Los Alamos during the Manhattan Project.
David H. Frisch was an American physicist. He worked on the Manhattan Project at Los Alamos, working with the Van de Graaff long tank accelerator to measure neutron cross sections.