National Museum of Nuclear Science & History
Leon Leventhal was a nuclear chemist and radiation expert who worked at Oak Ridge, the University of Chicago’s Met Lab, and Los Alamos Laboratory during the Manhattan Project.
Born in Kennewick in 1920, Annette Heriford grew up in Hanford, where her family farmed alfalfa and apples.
H. L. Roland worked for the Midwest Piping and Supply Company.