National Museum of Nuclear Science & History
H. E. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Blauvelt 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.