National Museum of Nuclear Science & History
H. L. Small worked for the Kellex Corporation at the K-25 Plant.
H. M. Schleiden worked for the A. S. Schulman Electric Company.
William J. Larkin worked in Project Alberta as part of the team that transported and assembled the Little Boy and Fat Man atomic bombs.
Leo Wojtanowski worked in a shop at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.