National Museum of Nuclear Science & History
Edith Levin worked for the United States Engineer District Office.
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.
John Armstrong worked for the Kellex Corporation at the K-25 Plant.
Simeon T. Cantril (1908-1959) was an American physician. He was born on February 17, 1908 in Hyrum, Utah.
