National Museum of Nuclear Science & History
Lawrence Vest was a civil scientist at Los Alamos during the Manhattan Project.
Calvin B. Popwell served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Big Stink, and he and his crew were later reassigned to Luke the Spook.
Christiansen worked at the 100-B Area at Hanford during the Manhattan Project.
R. A. Johnston worked for the United States Engineer District Office.
Sampson Powers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
