National Museum of Nuclear Science & History
MacDonald worked for Stone and Webster Engineering Corporation.
Walter F. McCaleb served in the 393rd Bombardment Squadron.
Rhoades worked at the 200 West area at Hanford during the Manhattan Project.
A. T. Sampson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. F. Koch worked for the Tennessee Eastman Corporation at the Y-12 Plant.
