National Museum of Nuclear Science & History
Ray Mettelka worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Martin Moeller is the Senior Curator at the National Building Museum in Washington, D.C., where the exhibition “Secret Cities: The Architecture and Planning of the Manhattan Project” opened in 2018.
Leslie Spalding worked for the United States Engineer District Office.
G. Robert Gunther-Mohr joined the Manhattan Project in 1944. Mohr worked on the top secret polonium trigger being developed for the plutonium bomb at the Monsanto Chemical Company in Dayton, Ohio.
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.
