National Museum of Nuclear Science & History
Henry Linschitz worked in Project Alberta, which transported and assembled the Little Boy and Fat Man atomic bombs.
Duren Howard Shields was a staff worker at Los Alamos during the Manhattan Project. During his time there, he worked on building the experimental casing for the bomb.
Lyle Smith worked for the United States Engineer District Office.
Mary Johns worked for the Tennessee Eastman Corporation at the Y-12 Plant.