National Museum of Nuclear Science & History
Winfield Sylvester was a staff worker at Los Alamos during the Manhattan Project.
Ray Moneyhun worked for the Fercleve Corporation.
Harold Hasenfus was part of the Special Engineer Detachment during the Manhattan Project and worked at the University of Chicago's Metalurgical Laboratory and at the gaseous diffusion plant in Oak Ridge.
Sarah Dowson was married to nuclear chemist Rene Prestwood. She worked as a nurse at Los Alamos.