National Museum of Nuclear Science & History
Gordon 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.
Frank Vaughan was a research associate at the Chicago Met Lab during the Manhattan Project.
Piper worked for Stone and Webster Engineering Corporation.