National Museum of Nuclear Science & History
Celia Ryan was a staff worker at Los Alamos during the Manhattan Project.
F. J. Underwood worked for the Roane-Anderson Company.
Clyde Howard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
