National Museum of Nuclear Science & History
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.
Marion Hay worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Richard Ehrlich worked at Los Alamos in the Theoretical Physics Division, during the Manhattan Project.