National Museum of Nuclear Science & History
Frank Fessenden worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Lieutenant General Leslie Groves (1896-1970) was a United States Army Corps of Engineers officer and director of the Manhattan Project.
Bates worked in the United States Engineer District Office.
Samuel R. Macaione was a member of the Special Engineering Detachment at Los Alamos. He was known primarily not for his work, but for his membership in the thirteen-member swing band at Los Alamos, "The Keynotes.