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.
John Ryan was a staff worker at Los Alamos during the Manhattan Project.
Dexter Wolfe was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.