National Museum of Nuclear Science & History
M. B. Coley worked for the J.A. Jones Construction Company.
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.
Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
