National Museum of Nuclear Science & History
Manning worked for Stone and Webster Engineering Corporation.
Anderson was a Union Carbide employee who worked on startup operations at the K-25 plant at Oak Ridge during the Manhattan Project.
C. O. Kenny worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Johnson worked at the 300 Area at Hanford during the Manhattan Project.
D. Andrews worked for the H. K. Ferguson Company.