National Museum of Nuclear Science & History
Otto C. Block, Jr. served in the 393rd Bombardment Squadron.
Werner H. Haak was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
H. M. Schleiden worked for the A. S. Schulman Electric Company.
A. T. Sampson worked for the Tennessee Eastman Corporation at the Y-12 Plant.