National Museum of Nuclear Science & History
Don Simpson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Mortimer Schwartz served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Arno Roensch joined the army in 1944. A glassblower, he was deployed to work at Los Alamos. He was married to Eleanor Roensch, also a Manhattan Project veteran.
