National Museum of Nuclear Science & History
F. C. Ruh worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Edward M. Josefiak served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Some Punkins.
Philip C. Leahy was a Second Lieutenant for the U.S. Army Corps of Engineers who began his work for the Manhattan Project at the Metallurgical Laboratory at the University of Chicago, Illinois.
