National Museum of Nuclear Science & History
S. A. Wrightman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Donavan worked in the United States Engineer District Office.
Ralph Gates (1925-2018) was a chemical and electrical engineer who was recruited to the Manhattan Project as a part of the Special Engineer Detachment in early 1945.
Hilgeman worked at the 100-D Area at Hanford during the Manhattan Project.
