National Museum of Nuclear Science & History
V. J. McDonald worked for the Comstock-Bryant Electric Company.
H. C. Young worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Bert Tolbert joined the Manhattan Project in 1944 while completing his PhD in Chemistry from the University of California at Berkeley.
E. L. Robinson worked for the H. K. Ferguson Company.
