National Museum of Nuclear Science & History
Hartman worked for Stone and Webster Engineering Corporation.
Samuel McNeight was a DuPont employee member who was a part of the team tasked with constructing the B Reactor at Hanford.
H. L. Russell worked for the United States Engineer District Office.
Herman Snyder worked on the Manhattan Project at Oak Ridge as a soldier in the Special Engineer Detachment.
Mason worked in the 300 Area at Hanford during the Manhattan Project.
