National Museum of Nuclear Science & History
Jose E. Valdez was a staff worker at Los Alamos during the Manhattan Project.
Melvin L. Dietrich worked as a welder and electrician in a number of facilities across the Oak Ridge, Tennessee facility.
Françoise (Aron) Ulam was the wife of mathematician Stanislaw Ulam, who worked for the Manhattan Project in Los Alamos, NM during World War II.