National Museum of Nuclear Science & History
Ralph Collins worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Johnie Zaring was a staff worker at Los Alamos during the Manhattan project.
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
Elmer began working with the Manhattan Project in 1941. He was one of the first people to arrive at Oak Ridge and experienced first-hand some of the difficulties there with cyclotrons and isotope separation.
Boring worked in the United States Engineer District Office.
