National Museum of Nuclear Science & History
N. F. Smyth worked for the Kellex Corporation at the K-25 Plant.
H. A. McFadden worked for the Roane-Anderson Company.
Holman worked for Stone and Webster Engineering Corporation.
Robert Stone was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Hawley worked at the 300 Area at Hanford during the Manhattan Project.
